What would the acceleration of a 34kg child on a bike be if they were being pushed with Fa=57N

Answers

Answer 1

The acceleration of the 34 kg child on a bike when being pushed with a force of 57 N would be approximately: 1.68 meters per second squared.

To calculate the acceleration of a 34 kg child on a bike when being pushed with a force of 57 N, you can use Newton's second law of motion. Newton's second law states that the force applied on an object is equal to the mass of the object multiplied by its acceleration (F = ma).

In this case, the applied force (Fa) is 57 N, and the mass (m) of the child is 34 kg. To find the acceleration (a), you can rearrange the formula as follows:

a = Fa/m

Now, plug in the given values:

a = 57 N / 34 kg

a ≈ 1.68 m/s²

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Related Questions

how does surface-level diversity differ from deep-level diversity?

Answers

Surface-level diversity and deep-level diversity are two concepts related to diversity and inclusion in organizations. They differ in terms of the characteristics they encompass and their level of visibility.

1. Surface-level diversity: Surface-level diversity encompasses visible characteristics like age, gender, race, ethnicity, physical abilities, and appearance. These traits are easily observable and can shape initial perceptions and stereotypes. However, they may not fully capture an individual's values, beliefs, or experiences.

2. Deep-level diversity: Deep-level diversity encompasses less visible aspects like values, beliefs, attitudes, traits, experiences, and cultural background. It requires deeper interaction to uncover and influences individuals' perspectives and behaviors. It goes beyond surface-level traits, emphasizing psychological and social differences.

Surface-level diversity is visible and influences initial perceptions, while deep-level diversity explores the underlying factors that shape identities and behaviors. Valuing deep-level diversity fosters inclusive and respectful work environments, promoting understanding, empathy, and collaboration beyond superficial differences.

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an airplane carrying out a parcel drops releases a parcel while travelling at a steady speed of 90 m/s at an altitude of 200 m. caculate a)the time taken between the parcel leaving the airplane and it striking the ground b)the horizontal distance travelled by the parcel in this time. c)the speed at which the parcel strikes the ground

Answers

a)The time taken between the parcel leaving the airplane, and it's striking the ground will be 6.38 second

c)The speed at which the parcel strikes the ground will be 62.64 m/sec.

What is speed?

Speed is defined as the rate of change of the distance or the height attained. it is a time-based quantity. it is denoted by U for the initial speed while V for the final speed. its SI unit is m/sec.

The given data in the problem is;

Steady speed (V)= 90 m/s

Altitude (h) = 200 m

Time taken (t)=?

horizontal distance travelled(d)=?

Striking speed(V)=?

The striking speed is;

\(\rm V^2=U^2+2gh \\\\ V=\sqrt{2gh} \\\\V=\sqrt{2\times 9.81 \times 200} \\\\ V= \sqrt{3924} \\\\ V=62.64 \ m/sec\)

The time taken is found as;

\(\rm H = ut + \frac{1}{2} gt^2 \\\\ 200=0+ \frac{1}{2} \times 9.81 \times t^2 \\\\ t=6.38 \ sec\)

Hence, the time taken between the parcel leaving the airplane, and it's striking the ground will be 6.38 second

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When pulled, stretchy objects such as rubber bands exert elastic force. Gently hold one end of the rubber band and pull on the other end. You will feel the rubber band pulling back. How does the force exerted by the rubber band change as you increase its length? What do you observe?

Answers

Answer:

The force exerted by the rubber band will increase. This is because the restoring force (force which acts to bring a body back to its equilibrium state) always acts in opposite direction to the force which acts to pull the body from its equilibrium position. And as the distance increases the force increases as well.

Explanation:

#2 Most of Earth's weather takes place in the O troposphere O stratosphere O mesosphere thermosphere​

Answers

Answer:

troposphere

hope this helps

have a good day :)

Explanation:

to ensure proper airspace protection while holding at 5,000 feet in a civil aircraft, what is the maximum indicated airspeed a pilot should use?

Answers

To ensure proper airspace protection while holding at5,000 feet in a civil aircraft, the maximum indicated airspeed a pilot should use is 200 knots.

What is meant by indicated airspeed in aviation?

Indicated airspeed means that the speed of an aircraft as shown on pitot static airspeed indicator is calibrated to reflect standard atmosphere adiabatic compressible flow at sea level uncorrected for airspeed system errors.

Indicated airspeed is the airspeed which is read directly from the airspeed indicator on an aircraft and driven by the pitot-static system. It uses difference between total pressure and static pressure, to mechanically or electronically measure dynamic pressure.

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When a radio telescope observes a region of space between two stars, it detects electromagnetic radiation that has a wavelength of 0.21 m. This radiation was emitted by hydrogen atoms in the gas and dust located in that region.

Required:
What is the frequency of this radiation?

Answers

Answer:

14.3 x 10^8Hz

Explanation:

Using

Frequency= speed of light /wavelength

Then substituting

3*10^8m/s / 0.21m

= 14.3 x10^8 Hz

Which statements are true for an electron moving in the direction of an electric field and why? (There may be more than one correct choice.)
(a) Its electric potential energy increases as it goes from high to low potential.
(b) Its electric potential energy decreases as it goes from high to low potential.
(c) Its potential energy increases as its kinetic energy decreases.
(d) Its kinetic energy decreases as it moves in the direction of the electric field.
(e) Its kinetic energy increases as it moves in the direction of the electric field.

Answers

The correct statements of an electric field are: (a) Its electric potential energy increases as it goes from high to low potential. (d) Its kinetic energy decreases as it moves in the direction of the electric field.

(a) When an electron moves from a region of high electric potential to a region of low electric potential, its electric potential energy increases. This is because the electron experiences a change in potential energy due to the electric field. Moving in the direction of the electric field, the electron gains potential energy. (d) As the electron moves in the direction of the electric field, its kinetic energy decreases. This is because the electric field does work on the electron, converting its kinetic energy into potential energy. The electron loses kinetic energy as it accelerates in the direction of the field. (c) and (e) are incorrect statements. The potential energy and kinetic energy of the electron are not directly related in this context. While the electron's potential energy may change, its kinetic energy does not necessarily follow a predictable pattern solely based on the direction of the electric field.

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A chemical reaction is the only way to an

A: Element

B: Pure Substance

C: Mixture

D: Solution

Answers

Answer:

B: Pure Substance

Explanation:

What is a wind turbine often used for?

Answers

Answer:

Wind Turbines are used in a variety of applications from harnessing offshore wind resources to generating electricity for a single home.

Explanation:

Write the subtraction sentence that is shown on the number line.
Do not reduce the fractions.
3
AN
No
AO

Answers

Answer:

where is the number line? I'm not sure what I'm supposed to be looking at.

Billy is pulling his sister Joslyn in the sled. Based on your knowledge of F=ma, describe what would
happen to the motion of the sled if Joslyn's friend Lisa also wanted to ride.

Answers

Answer:

the motion of the sled decrease

Explanation:

the mass increase

The acceleration of the sled will is inversely proportional to the mass on it. Therefore, the motion of the sled would slow if Joslyn's friend Lisa also wanted to ride.

What is acceleration?

Acceleration in mechanics can be described as the rate of change of velocity of an object with respect to time. The acceleration of an object is a vector quantities with magnitude and direction.

The S.I. unit for acceleration can be represented as m/s² the net balance of all external forces acting is equal to the magnitude of the net resulting force.

The force (F) acting on an object is equal to the product of the mass (m) of the object and acceleration (a) of an object.

F = ma

And, a = F/m

As shown in the above equation, the mass of the object is inversely proportional to the acceleration of the object, therefore, the acceleration of the sled decrease as the mass on it increases.

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when we process new stimuli based on our past experiences, we are using ______processing.

Answers

Top-down processing is used when we interpret new stimuli in light of our prior knowledge. The image focused on each retina is from a slightly different angle because we have two eyes in two separate places. Binocular disparity is the term for this phenomenon.

What is the top-down processing?

There are two main approaches to making meaning of stimuli: bottom-up and top-down. Bottom-up processing occurs when we let the data itself, free of any preconceived ideas, shape our perception.

In top-down processing, we interpret what we perceive by drawing on our prior knowledge and expectations.

According to the theory of "top-down processing," our brains first build a notion of the overall picture based on prior knowledge before breaking it down into more detailed information. We use our perceptual set—past experiences, expectations, and emotions—to interpret the world around us.

Therefore, when we process new stimuli based on our past experiences, we are using top-down processing.

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Which statement about diffraction is correct?
O The amplitudes of two waves combine to appear as one big wave.
O Sound waves bend around the corners of various obstacles.
O The amplitudes of two waves combine to appear as a wave smaller than the individual waves.
O Sound waves can only travel in straight lines.

Answers

Answer:

Sound waves bend around the corners of various obstacles.

Explanation:

I took the test

What is the impulse of an object of mass 2kg moving with 10m/s for 10 Seconds starting form rest? a) 20kgm/s b) 10kgm/s c) 5kgm/s d) 2kgm/s​

Answers

Answer:

20

Explanation

f=Kgm/s
2multiply by 10=20

Give brainliest

C. Move the light bulb back and forth. No matter where the light bulb is located on the central axis, what is always true about size of the image?

Answers

Answer

It will stay the same!

Explanation:

If you so happen to move something from left to right, the size of it is not being shrunk or expanded in any type of way, shape, or form.

When will the integral\oint \vec{E}\cdot d\vec{l}aroundany closed loop of the projection of the electric field along thatloop be zero?
∫ E. dl
a. only if the field is generated by the coulombfield of static charges
b. only if the field is generated by the coulombfield of static charges or a constant current
c. only if the field is generated by a changingmagnetic field
d. however the field is generated
e. the loop integral is always zero; otherwise, acharge moving around the loop would gain energy.

Answers

The integral ∫ E. dl around any closed loop of the projection of the electric field along that loop. will be zero only if the field is generated by the coulomb field of static charges or a constant current.

This is known as Maxwell's first equation, which states that the line integral of the electric field around any closed loop is equal to the total charge enclosed by the loop divided by the permittivity of the medium. This means that if there are no charges enclosed by the loop or if the charges are static, the line integral will be zero. However, if the charges are moving or there is a changing magnetic field, the line integral will not be zero. It is important to note that the line integral being zero does not mean that the electric field itself is zero, but rather that the components of the field parallel to the loop cancel each other out. This concept is fundamental in understanding the behavior of electric fields and their interactions with charges and currents.

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help plzzzzzzz i need thissssssssss

help plzzzzzzz i need thissssssssss
help plzzzzzzz i need thissssssssss

Answers

Answer:

The final graph

Explanation:

The graph that curves downwards is negative acceleration. While the position decreases the slop increases.

Fehling's solution is added to the counters of test tube b after about 3 minutes and it turns brick red.what food substance was used?

Answers

The food substance being used which turned Fehling's solution to brick red is a reducing sugar.

What is Fehling's solution?

This is an indicator which is used to test for the presence of reducing sugar or aldehydes in a solution.

Brick red precipitate of copper(I) oxide is formed when it tests positive to compounds such as glucose etc.

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What observational fact convinces astronomers that the source of energy in a typical quasar is physically very small?.

Answers

Answer:

An extreme redshift of emission lines that indicated high recessional

What is the density of an object that has a mass of 30 g and a volume of 20cm cubed/ to the third power?

Answers

Answer:

d= 1.5 g/cm3

Explanation:

datos

m= 30g

v= 20cm3

d=?

formula

d= m / v

solución

d= 30g / 20cm3 = 1.5g/cm3

The weighted-criteria evaluation system is typically used to select a supplier or to evaluate the performance of a supplier?.

Answers

It is accurate to say that the weighted-criteria evaluation approach is frequently employed to choose or assess a supplier's performance.

How well is a supplier performing?

A technique to assess whether your provider is doing their duties as expected is the supplier performance metric. The statement of work, specification, service level agreement or key performance indicators should all clearly express what is expected of the supplier.

How does supplier performance analysis work?

Using the agreed-upon key metrics (KPIs) or service level agreements, supplier performance reviews evaluate the provider's performance (SLA). The reviews are an essential part of supplier performance management, that aims to evaluate and track the performance of suppliers in order to: cut cost

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A pendulum is swinging in a circular path at angle θ and string length L. What is the tension in the string? Use m, g, and θ. Your answer should have m, g, θ, and a trig function. Your answer will be T=.

What is the centripetal acceleration? Your answer will have g, θ, and 1 or 2 trig functions. Your answer will be \(a_{c}\)=.

A pendulum is swinging in a circular path at angle and string length L. What is the tension in the string?

Answers

Answer:

T = mg / cos θ

ac = g tan θ

Explanation:

Draw a free body diagram. There are two forces acting on the pendulum bob. A tension force T acting θ from the vertical, and gravity pulling down.

Sum the forces in the y direction:

∑F = ma

T cos θ − mg = 0

T = mg / cos θ

Sum the forces in the centripetal direction (towards the center).

∑F = ma

T sin θ = m ac

ac = T sin θ / m

Substitute for tension T:

ac = (mg / cos θ) sin θ / m

ac = (mg / m) (sin θ / cos θ)

ac = g tan θ

How does the electric force between two charges particles charge if the distance between them is increased by a factor of 2?

A. It increased by a factor of 4
B. It increased by a factor of 2
C. It decreased by a factor of 4
D. It decreased by a factor of 2

APEX???

Answers

Answer:

C

Explanation:

The electric force between two charged particles decreases by a factor of 4 if the distance between them is increased by a factor of 2. This is because the electric force is inversely proportional to the square of the distance between the charges. So, if the distance is doubled, the force is 1/4 as strong.

Thus, The answer is C.

A baseball player dives head-first into
second base and slows down while sliding on the infield dirt.
Of the forces listed, identify which act upon the player.

1.Normal
2.Gravity
3.Applied
4.Friction
5.Tension
6. Air Resistance

Answers

Answer:

Explanation:

Discussion

The ones that are certain are

Normal GravityFriction

If you have a normal, and the player slides into 2nd, and stops (which he must before he is tagged), then there must be friction involved. There must be gravity, or he would keep going up.

I don't think there is tension. There might be some Air Resistance, but that force is very tiny. Don't be surprised if you answer includes Air Resistance, but I won't try it to begin with.

if a current of 0.01 A is flowing through a circuit with two resistors in a series what is the voltage?

Answers

Answer:

V = 0.01(R₁ + R₂)

Explanation:

From Ohm's law, the voltage V across a resistor with resistance R and a current I passing through it is given by

V = IR

If we have two resistances, R₁ and R₂ in series, the total resistance R is the sum of their resistances.

So, R = R₁ + R₂

Now, if the current in the circuit is 0.01 A, the voltage V is

V = IR

V = 0.01R

Substituting R = R₁ + R₂ into the equation for V, we have

V = 0.01(R₁ + R₂)

So, the voltage in two series resistors with current 0.01 A is

V = 0.01(R₁ + R₂)

Which direction on a motion map is "backward"?leftrightupdownO None of these is correcet

Answers

ANSWER:

1st option: left

STEP-BY-STEP EXPLANATION:

Direction is the location of something in relation to something else. Direction can be described in relative terms, such as up, down, in, out, left, right, forward, backward, or sideways. L

A motion map can look like this:

Which means that by saying backwards, on the map it has a movement to the left

So the correct answer is the 1st option: left

Which direction on a motion map is "backward"?leftrightupdownO None of these is correcet

A student investigates the motion of a trolley. The trolley travels from 2ms-1 to 14ms-1 in a time of 5s. Find the average speed of the trolley after 5s.

Answers

The average speed of the trolley after 5 seconds, given that it travels from2 m/s to 14 m/s is 8 m/s

How do I determine the average speed of the trolley?

First, we shall determine the total distance travelled in 5 seconds. Details below:

Initial velocity (u) = 2 m/sFinal velocity (v) = 14 m/s Time (t) = 5 seconds Total distance (s) =?

s = ½(u + v) × t

s = ½ × (2 + 14) × 5

s = ½ × 16 × 5

s = 8 × 5

s = 40 meters

Finally, we shall determine the average speed of trolley. This is shown below:

Total distance = 40 metersTotal time = 5 seconds Average speed =?

Average speed = Total distance / total time

Average speed = 40 / 5

Average speed = 8 m/s

Thus, the average speed of the trolley is 12.8 m/s

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What effect will the following have on the inertia of a body if
(i) the force acting on it is increased.
(ii) the mass of the body is reduced.

Answers

Explanation:

Inertia is the tendency of a body to remain at rest or to do nothing.

It is the resistance to any change in position of body.

 When the force on a body increases, the inertia reduces

 When the mass is reduced the inertia reduces

According to newton's first law or the law of inertia "an object will remain in its state of rest or of uniform motion unless if it is acted upon by an external force".

an explorer walks 22 km north, then 47 km at 55o south of east. what is her resultant displacement?

Answers

Answer:

Below

Explanation:

Vertical components

   22 - 47 sin 55  = - 16.5 km

Horizontal components

   47 cos 55    = 26.96  

Use Pythagorean Theorem

  d^2 =   (-16.5)^2  + 26.96^2

   d = 31.6 km

an explorer walks 22 km north, then 47 km at 55o south of east. what is her resultant displacement?

help please!! I'm pretty sure the answer is E.

help please!! I'm pretty sure the answer is E.

Answers

Answer:

The answer is indeed E, 4K1.

Explanation:

When the block is compressed a distance x from equilibrium, the spring exerts a restoring force on the block given by Hooke's law:

F = -kx

where k is the spring constant. The negative sign indicates that the force is in the opposite direction to the displacement.

As the block is released, this restoring force accelerates the block to the right. At any point during the motion, the total mechanical energy (kinetic plus potential) of the system is conserved. Initially, all the energy is potential energy stored in the compressed spring. At the point when the block separates from the spring, all the potential energy has been converted into kinetic energy. Therefore, we have:

K = (1/2)mv1^2 = (1/2)kx^2

where v1 is the speed of the block when it separates from the spring.

When the block is compressed a distance 2x, the spring exerts a restoring force given by:

F = -2kx

This force is twice as large as the force when the block was compressed a distance x. Therefore, the block will experience twice the acceleration and reach twice the speed when it separates from the spring. The kinetic energy of the block at this point is given by:

K' = (1/2)mv2^2 = (1/2)k(2x)^2 = 4kx^2

where v2 is the speed of the block when it separates from the spring after being compressed a distance 2x.

So the ratio of the kinetic energies when the block is released from compressions of distance x and 2x respectively is:

K'/K = 4kx^2 / (1/2)kx^2 = 8

Therefore, the kinetic energy of the block when it separates from the spring after being compressed a distance 2x is 8 times the kinetic energy when it is compressed a distance x, i.e., K' = 8K. So the answer is E, 4K1

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