Only the healthy foods we eat provide
energy to our body
true
false

Answer:

One possible reason is that change in velocity is greater for the individual with lower mass.

Explanation:

By Newton's Law of Mechanics, magnitude of the force on two players would be the same in the collision. Let \(F\) denote this magnitude.

Assume that the duration of the collision is \(\Delta t\). In this collision, magnitude of the impulse \(J\) on each player would be the same: \(J = F\, \Delta t\).

At the same time, impulse is equal to the change in momentum. Specifically, if the mass of one player is \(m\) and the change in their velocity is \(\Delta v\), the change in their momentum would be \(m\, \Delta v\). Thus:

\(m\, \Delta v = J = F\, \Delta t\).

Rearrange to obtain an expression for the change in velocity:

\(\begin{aligned}\Delta v &= \frac{J}{m} = \frac{F\, \Delta t}{m}\end{aligned}\).

In other words, in this collision, change in velocity is inversely proportional to the mass of the participant. Hence, even though the two players experienced force of the same magnitude, the participant with a lower mass would experience a greater change in velocity.

For you to feel pressure on your skin, mechanoreceptor neurons are required.

The Pacinian corpuscles Pacinian corpuscles, like the ones shown in the bright field light microscopy image, are sensitive to pressure (touch) and high-frequency vibration.

Mechanoreceptors are sensitive to many physical alterations, including as touch, pressure, vibration, and stretch.

These sensors are capable of picking up feelings like pressure, vibration, and texture. Meissner's corpuscles, Pacinian corpuscles, Ruffini's corpuscles, and Merkel's disks are the four types of known mechanoreceptors whose sole purpose is to detect indentations and vibrations of the skin.

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A 200 W lightbulb will convert approximately 24 kWh of electrical energy to light and thermal energy in one day.

This is calculated using the following formula: Energy (kWh) = Power (kW) x Time (hours): 24 kWh = 0.2 kW x 120 hours (assuming the lightbulb is on for 12 hours each day).

Electrical energy is a type of energy that results from the flow of electric charge. It is a form of energy that is transferred when an electric current flows through a wire or conductor, and it is typically measured in units of joules (J) or kilowatt-hours (kWh).

Thermal energy, on the other hand, is the energy that is associated with the temperature of a substance. It is a form of internal energy that is present in all substances, and it can be transferred from one substance to another through conduction, convection, and radiation.

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The given statement is true.

So, the statement "two connected points objects pass through the same set of three points, the shapes created by each may be different, depending on the order in which each object was plotted" is true.

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Everyday life is dominated by man-made electromagnetic radiation: microwave ovens cook food, radar waves guide aeroplanes, television sets receive electromagnetic waves provided by broadcasting stations, and infrared rays from heaters offer warmth.

Electromagnetic fields are produced by a variety of household gadgets, including low-energy light bulbs, television and computer displays, electric heaters, and even electric blankets. All of these popular objects produce electric or electromagnetic fields and/or need them to function.

Exposure to powerful enough low frequency fields can cause dizziness, light flashes, and tingling or pain due to nerve activation. Exposure to strong enough radiofrequency fields can cause heating of bodily tissue.

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Answer:

Choice A & Choice B

The proteins are encoded by genes with different nucleotide sequences, they likely have different functions. The correct options are A and B.

Genes with various nucleotide sequences encode the proteins. Protein 1 and Protein 2 have distinct amino acid sequences, indicating that they are encoded by genes with different nucleotide sequences.

Because the amino acid sequences of Protein 1 and Protein 2 differ so greatly, it is likely that they have separate activities.

The assumption that proteins must be found in diverse parts of the body is not always correct. Although proteins with distinct activities may be found in different parts of the body, variations in their amino acid sequences cannot be used to identify this.

Thus, the correct options are A and B.

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Answer:

the displacement of the object is 5 units

Explanation:

The computation of the displacement of the object is shown below:

= Move to the right + move to the right - move to the left

= 6 units + 3 units - 4 units

= 9 units - 4 units

= 5 units

Hence, the displacement of the object is 5 units

Answer:

The source of energy that is used to power the movement of contraction in working muscles is adenosine triphosphate (ATP) – the body's biochemical way to store and transport energy. However, ATP is not stored to a great extent in cells. So once muscle contraction starts, the making of more ATP must start quickly.

Explanation: Brainliest?

Answer:

the answer to the first one is B and the second one is c I hope I got them right

As the diameter of the wire approaches to zero, the resisitance approaches  infinity.

Electrical resistance is the physical capacity of any body to oppose the flow of electric current even when there is an applied potential difference, capacity calculated by Ohm's First Law, and, according to the International System of Units (IS), is measured in ohms.

With that being said, and knonwing that:

R = Resistance; p = Resistivity; L = Length; d = Diameter

It is possible to calculate the resistance of the wire by:

\(R = p\frac{L}{A}\)

Where A is calculated by:

\(A = \frac{\pi d^{2} }{4}\)

Changing in the first formula:

\(R = p\frac{L}{\pi d^{2} } \\\\R = p\frac{4L}{\pi d^{2} }\)

Knowing that when the diameter tends to zero resistance tends to infinity, it is possible to say that resistance of the wire will tend to infinity when the diameter approaches zero.

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Answer:

The resistance approaches infinity.

Explanation:

100% Correct

Answer:

Answer:

Option B

Explanation:

Option B talks about how the frequency of the wave increases the shorter it's wavelengths

Answer:

b

Explanation

B: As the frequency of a wave increases, the shorter its wavelength is.

The power exerted by the man is 735 watts.

To find the power exerted by the man, we need to use the formula for power, which is:
Power = Work / Time
Work is the product of force and displacement, so we can write the formula as:
Power = (Force × Displacement) / Time

We know that the displacement is 5 meters and the time is 4 seconds. To find the force, we need to use the formula for weight, which is:
Weight = Mass × Acceleration
The acceleration in this case is the acceleration due to gravity, which is 9.8 m/s². So the weight of the man is:
Weight = 60 kg × 9.8 m/s² = 588 N

Now we can plug in the values into the formula for power:
Power = (588 N × 5 m) / 4 s = 735 Nm/s = 735 W
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Answer:

A.) 1430 metres

B.) 80 seconds

Explanation:

Given that the train accelerates from rest at 1.1m/s^2 for 20s. The initial velocity U will be:

U = acceleration × time

U = 1.1 × 20 = 22 m/s

It then proceeds at constant speed for 1100 m

Then, time t will be

Time = distance/ velocity

Time = 1100/22

Time = 50 s

before slowing down at 2.2m/s^2 until it stops at the station.

Deceleration = velocity/time

2.2 = 22/t

t = 22/2.2

t = 10s

Using area under the graph, the distance between the two stations will be :

(1/2 × 22 × 20) + 1100 + (1/2 × 22 × 10)

220 + 1100 + 110

1430 m

The time taken between the two stations will be

20 + 50 + 10 = 80 seconds

If the amount demand of a product changes more than proportionally as its price rises or falls, then it is said to be elastic.

The more replacements there are for an item, more elastic the good is, according to definition of an elastic good, which is where change in price results in a large movement in demand. Price elasticity of demand is determined by dividing percentage change in quantity required by the percentage change in price.

Products like cars, appliances, and luxury items that are rarely purchased are examples of elastic commodities. In the event that the cost of these products is momentarily high, consumers may decide to put off buying.

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B) it starts to spin in the other direction (as observed from above). As far as we are aware, there is no external torque acting on the wheel and merry-go-round mechanism.

A rigid body's torque is determined by three factors: the force applied, the lever arm vector connecting the torque measurement point to the force application point, and the angle between the force and lever arm vectors.

When forces are applied to an object with the tendency to generate rotation, we say the force is producing a torque.

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Answer:

The bulb's power is 100 W when the potential difference is

120 V, so we can find the resistance

Explanation:

Velocity is vector quantity because it has both magnitude and direction.

Explanation:

velocity is a vector quantity because the person always returns to the original position,the motion would never result in a change in a position.

Answer:

line c represents slowing

line b represents constant speed

like a represents speeding up

Answer:

placing an object between two free ends of a wire in a circuit. the circuit must have a bulb, wires, crocodile clips and a switch (optional) .

Explanation:

get a material between the clips . if the bulb lights up, the object is a conductor and is it doesn't its an insulator.

Answer:

B. surface tension

Explanation:

According to conservation of energy, the energy of interacting bodies in a closed system remains constant. The total energy of an isolated system remains constant; it is said to be conserved over a period of time.

Elastic energy is the mechanical implicit energy stored in the configuration of a material or physical system as it's subjected to elastic distortion by work performed upon it. Elastic energy occurs when objects are impermanently compressed, stretched or generally misshaped in any manner.

The mechanical energy is never lost forever , rather it gets converted to thermal energy because of the friction .

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Answer:

Alexander Graham Bell

Hope this helps :)

hope this helps

The process of formation of the inner planets, namely from a collection of solid objects, gas, and dust that are joined in a heavy mass. During the initial process of forming a gas disc, a number of dust, gas, and other surrounding material fly in the same mass line and surround the sun like a belt.

The process of forming the outer planets is from the cooling process of several clumps that also orbit, continue to spin, and pull the sky material around them in the form of gas, dust and solid objects with their own gravity then solidify and become planets.

The Solar System is a collection of celestial bodies consisting of a star called the Sun and all objects bound by its gravitational force. The Sun is the center of the solar system. The sun is a star that is closest to the earth. Like other stars, the Sun is a hot object composed of various high-pressure gases. The sun is gigantic when compared to even the largest planet.

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Answer:

sequence

Explanation:

sequences are the way in which things are ordered, for example: 1, 2, 3, 4 is a sequence:)

ANSWER:

0.00145 J

STEP-BY-STEP EXPLANATION:

Using the rotational form of the kinematic equation to find α:

It started form rest:

Solving for α:

The torque is given by the formula,

According to Heisenberg's uncertainty principle, there is a fundamental limit to the precision with which we can simultaneously measure the position and velocity of a subatomic particle. The uncertainty principle states that the product of the uncertainties in position (Δx) and velocity (Δv) must be greater than or equal to a certain value.

Mathematically, the uncertainty principle can be expressed as:

Δx * Δv ≥ h/(4π)

where:

Δx is the uncertainty in position,

Δv is the uncertainty in velocity,

h is the Planck's constant (approximately 6.626 x 10^-34 J·s).

Given that the position uncertainty (Δx) is 0.069 nm (nanometers), we can calculate the minimum uncertainty in the electron's velocity (Δv).

Δx = 0.069 nm = 0.069 x 10^-9 m

Plugging these values into the uncertainty principle equation:

(0.069 x 10^-9 m) * Δv ≥ (6.626 x 10^-34 J·s) / (4π)

Simplifying the equation, we find:

Δv ≥ (6.626 x 10^-34 J·s) / (4π * 0.069 x 10^-9 m)

Evaluating the expression, the minimum uncertainty in the electron's velocity is approximately 1.51 x 10^4 m/s (meters per second).

Therefore, due to the uncertainty principle, the electron's velocity cannot be determined more precisely than approximately 1.51 x 10^4 m/s.

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Throwing one shoe southward at 10 m/s will give you more momentum toward the north.

Momentum is defined as the product of an object's mass and its velocity. The momentum of an object can be determined using the equation:

Momentum = mass × velocity

In this case, both scenarios involve throwing shoes southward, which means the velocity is directed to the south. The key difference is the magnitude of the velocity.

When throwing one shoe southward at 10 m/s, the velocity is higher compared to throwing two shoes southward at 5 m/s. Since momentum depends on velocity, the higher velocity of the single shoe results in a greater momentum.

The mass of the shoes does not play a role in determining which action gives more momentum toward the north since the mass is the same in both scenarios. Therefore, throwing one shoe southward at 10 m/s will give you more momentum toward the north compared to throwing two shoes southward at 5 m/s.

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