In a 1953 experiment a rocket sled went from 284 m/s to rest within 178 m. If the test subject,

John Stapp, had a mass of 84. 0 kg: a) what is the amount of Work done to stop the John Stapp? ||

b) how much Force was applied to John Stapp?

Answer:

A. 0.67 m/s² forward

Explanation:

F applied = 250 N

Fsin30 = 250/2 = 125N

F friction= 95 N

Fnet = F app - F fri

= 125-95

= 30 N ( forward)

Fnet = m a

30 = 45 a

a= 30/45

=2/3

= 0.67 m/s² (forward)

Answer: 300 J

Explanation:

Force = 150 KJ

Distance = 2.0 m

The minimum amount of work done by a hydraulic lift to raise a 150-kg aluminum block 2.0 meters vertically would be 2940 Joules, as the work done is the product of the force applied to the displacement of the object, therefore the correct answer is option B.

The total amount of energy transferred when a force is applied to move an object through some distance

The work done is the multiplication of applied force with displacement.

Work Done = Force × Displacement

As given in the problem we have to find out the minimum amount of work done by a hydraulic lift to raise a 150-kg aluminum block 2.0 meters vertically.

The minimum work done = 150 × 9.8 × 2

                                          = 2940 Joules

Thus, The minimum amount of work done by a hydraulic lift to raise a 150-kg aluminum block 2.0 meters vertically would be 2940 Joules.

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The equation of the cardioid is r = a(1 + cos(θ)), where a is the distance of the center of the cardioid from the origin.

In this case, the two equations given are r = 1 + cos(θ) and r = 1 - cos(θ), which are the equations of two cardioids with the same center at the origin.

The first equation, r = 1 + cos(θ), represents the outer cardioid, and the second equation, r = 1 - cos(θ), represents the inner cardioid. The region enclosed by these two cardioids is the area between the two curves, which is the space between the outer and inner cardioids.

This region is symmetric about the x-axis, as the equations are symmetric about the x-axis. The region is infinite as the equations are defined for all real values of θ.

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Here is a screenshot of the answer:

(The second sentence is incorrect because the triangle should be a right triangle, not an isosceles one. The fifth sentence is incorrect because we use M cos g to calculate the horizontal component.)

\(Question\)

What type of drawing is shown in the figure?

Answer:

Hi, There!  My Answer would Be A. Block diagram Or C. panel Diagram!

Hope this helps! ♚♛♕♔ッ✨♚

\(-xXxAnimexXx-\)

Answer:

False.

Explanation:

This question refers to the rules of American Football. Thus, the line of scrimmage is an imaginary boundary that is established between both teams, to which the offensive line and the defensive line go to start the play.

In this situation, the offensive team must have 7 players in its formation, but within this some players can perform certain movements, with which it is incorrect to say that the formation cannot be modified, since it is constantly seen as some players, such as wide receivers, for example, move during scrimmage formation.

Answer:

C. 2 N left

Explanation:

Subtract the smaller number from the bigger number, the difference will go to the side with the larger number.

Answer: pingus

Explanation: pingus

Answer:

Nebulae contribute more to stellar formation than other regions because:

Explanation:

A.They have an unlimited supply of hydrogen.

B. They are believed to be rich in hydrogen and helium.

C. They have a three strong gravitational pull.

This are the reasons that Nebulae contribute more to stellar formation than other regions.

Saturn, which would be two times as far at Saturn, takes far more than double as long to complete one circle around the Sun.

The star that the earth revolves around and that gives it warmth and light Our solar system is centered on the sun. Sun also refers to the sunlight or heat that this star gives off to the earth:

The star that serves as the focal point of the planetary system is the sun. 92% of it is hydrogen, 8% or so is lithium, and also the remaining elements are various.

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The ionization constant (Ka) at 25°C for the weak acid (CH3)2NH2, the conjugate acid of the weak base (CH3)2NH, is 2.27 x 10^-11.

The ionization constant for a weak acid, Ka, is related to the ionization constant for the conjugate base, Kb, by the equation Ka x Kb = Kw, where Kw is the ion product constant for water (1.0 x 10^-14 at 25°C).

Therefore, to find the ionization constant for the weak acid (CH3)2NH2 at 25°C, we need to first find the ionization constant for its conjugate base, (CH3)2NH, which is given as Kb = 4.4 x 10^-4.

Using the equation Ka x Kb = Kw, we can solve for Ka:

Ka x Kb = Kw

Ka = Kw / Kb

Ka = (1.0 x 10^-14) / (4.4 x 10^-4)

Ka = 2.27 x 10^-11

Therefore, the ionization constant (Ka) at 25°C for the weak acid (CH3)2NH2, the conjugate acid of the weak base (CH3)2NH, is 2.27 x 10^-11.

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Therefore, approximately 19,739 turns per centimeter must be wound on the solenoid to produce a magnetic field of 0.5 Tesla within it.

To determine the number of turns per centimeter needed to produce a magnetic field within a solenoid, we can use the formula:

B = μ₀ * n * I

Where B is the magnetic field, μ₀ is the permeability of free space (4π x 10⁻⁷ T*m/A), n is the number of turns per meter, and I is the current in amperes.

To find the number of turns per centimeter, we need to convert the length units. There are 100 centimeters in a meter, so we divide the number of turns per meter by 100.

Let's assume we want a magnetic field of 0.5 Tesla (T) within the solenoid and the current is 2.0 A.

Using the formula, we have:

0.5 T = (4π x 10⁻⁷ T*m/A) * (n/100 turns/cm) * 2.0 A

Simplifying the equation, we can solve for n:

0.5 T = (8π x 10⁻⁷ T*m/A) * (n/100 turns/cm)

n = (0.5 T * 100 turns/cm) / (8π x 10⁻⁷ T*m/A)

Calculating this, we find:

n ≈ 19,739 turns/cm

In conclusion, to achieve a specific magnetic field within a solenoid, the number of turns per centimeter can be determined using the formula B = μ₀ * n * I.

By substituting the given values and solving the equation, we find that around 19,739 turns per centimeter are needed for a magnetic field of 0.5 Tesla with a current of 2.0 A.

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1. force exerted by the hydrogen on the oxygen is equal in magnitude. 2;  the lighter hydrogen atoms were more likely to reach the escape velocity and escape from Venus' atmosphere.

1) According to Newton's third law of motion, the force exerted by the hydrogen on the oxygen is equal in magnitude but opposite in direction to the force exerted by the oxygen on the hydrogen. This principle states that for every action, there is an equal and opposite reaction. Therefore, the force the hydrogen puts onto the oxygen is the same as the force the oxygen puts on the hydrogen.

2) The reason hydrogen atoms were able to escape Venus' atmosphere while oxygen atoms remained can be attributed to their different masses. Hydrogen is the lightest element, with a mass of 1 atomic mass unit (amu), while oxygen has a mass of 16 amu. The escape velocity of a planet determines the minimum speed an atom or molecule must reach to escape its gravitational pull. It depends on both the mass of the planet and the mass of the particle. Given that the average speed of gas particles increases with temperature. On the other hand, the heavier oxygen atoms were less likely to achieve the necessary speed to overcome Venus' gravitational pull, so they remained in the atmosphere.

Regarding the discovery of another solar system with its own planets, including a small terrestrial planet and a large terrestrial planet, it is an exciting development in the field of astronomy. Terrestrial planets are rocky, Earth-like planets, and the size difference between the small and large terrestrial planets suggests variations in their masses, compositions, and potentially their surface conditions. Further observations and analysis would be required to gather more detailed information about these planets, such as their atmospheres, temperatures, and potential habitability. This discovery contributes to our understanding of planetary systems beyond our own and expands the possibilities for the existence of diverse planetary environments in the universe.

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Answer:

Im pretty rusty with this stuff, personally I'd say B, but wait for someone else to answer this or reply to my answer. I don't remember a lot of this type of stuff so... Hope this helps :)

Explanation:

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 18 × 1.62

We have the final answer as

Hope this helps you

The rope's center flag remains stationary. Because the force being provided by your team to pull the flag is equal to the force being exerted by the opposing team but in the opposite direction, the flag does not move. The forces are acting in opposing ways.

It balances the forces acting on the rope. The flag in the middle of the rope won't move when the forces are balanced. One team must exert more force than the other in order to win the game.

Two forces are said to be balanced when their strengths are equal but their directions of action are opposing. Once more, tug-of-war is a prime illustration. The forces are balanced if the pullers are exerting equal force but going in the opposite direction on either side of the rope. There is hence no motion.

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When three different resistors are connected in series to a battery, the current through all resistors is the same.

In a series circuit, there is only one path for current to flow through. Current is the same through each component.

In a series circuit, the total voltage is divided across each component, and the voltage drop across each component is proportional to its resistance.

The equivalent resistance of the circuit is the sum of all resistors. It is not an algebraic sum, rather it is the arithmetic sum of the resistors. Hence, option A is incorrect.

The other two statements are also incorrect as the voltage on each resistor is not the same, it is divided across each resistor in proportion to its resistance. Therefore, the correct statement about the given circuit is: Currents through all resistors are the same.

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Answer:

If the force applied on the object is in the direction of its motion, the speed of the object increases. If the force is applied in the direction opposite to the direction of motion, then it results in a decrease in the speed of the object.

Answer:

This is a Upside down Glass of Water Experiment

Explanation:

Explanation:

if I interpret the graphic correctly, then there is a basin fully filled with water on the left, then a piece of paper of a piece of glass, where the paper is in contract with the water on the left, and some water is delivered to the right.

then i suspect this shows the capillary effect of very narrow channels of water. like in the very tiny spaces between the fibers of the paper. as long as the paper is in contact with the water on the left, and the level of water is there higher than on the right, the surface tension of water kind of propels itself further along these narrow channels in the paper and supported by gravity and air pressure it drops even into the other side.

Answer:

Velocity (v) is a vector quantity that measures displacement (or change in position, Δs) over the change in time (Δt), represented by the equation v = Δs/Δt. Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time (Δt), represented by the equation r = d/Δt.

Explanation:

hope this helps a little bit sorry if i got it wrong

Answer:

If Earth's diameter doubled but density was similar to the old Earth, the planet's mass would go up and gravity would be twice as strong. That would instantly make tides twice as much as it was before.

Explanation:

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If a wave has a time period of 0.1s and is travelling at a speed of 340 m/s, the wavelength of the wave  is 34 meters.

A wave is a dynamic disturbance of one or more quantities that propagates in physics, mathematics, and related sciences. When waves oscillate frequently around an equilibrium value at a certain frequency, they are said to be periodic.

The wavelength of the wave = speed of the wave ×  time period  of the wave

= 340 m/s × 0.1 s

= 34 m.

Hence, the wavelength of the wave  is 34 meters.

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Answer:

D

Explanation:

Water has a high surface tension because the water molecules on the surface are pulled together by strong hydrogen bonds. That means a drop of water will "want" to have the smallest possible surface area.

The distance travelled and the time it takes to travel that distance must be measured in order to determine an object's speed in motion.

Movement is the act or process of moving or changing one's location or position. ability to move with the force of a living body. gait is the term for the way a person walks. Motion can be divided into three categories depending on its type, as follows: linear movement Rotational Motion Motion in oscillations.

Things move in response to forces. They have the power to initiate motion, as well as to slow down, stop, or alter the path of an already moving item. We can say that forces produce changes in velocity because they alter an object's speed or direction. Keep in mind that acceleration is a modification of velocity.

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Answer: So, if the wavelength of a light wave is shorter, that means that the frequency will be higher because one cycle can pass in a shorter amount of time. ... That means that longer wavelengths have a lower frequency. Conclusion: a longer wavelength means a lower frequency, and a shorter wavelength means a higher frequency!

If the wavelength of a wave is short. It is true that the wave will have a lower frequency. A longer wavelength denotes a lower frequency.

A wave is a phenomenon that flows across a material medium without leaving any lasting mark.

Frequency is defined as the number of cycles per second. The time to make one complete cycle is the frequency and the distance between successive crests of a wave is the wavelength.

Thus, a shorter wavelength of a light wave signifies a greater frequency since one cycle may pass in a shorter amount of time. Longer wavelengths have a lower frequency.

Hence  a longer wavelength denotes a lower frequency, whereas a shorter wavelength denotes a higher frequency.

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Answer: The letters P and C in the names of the two comets indicate the type of orbit that they have around the Sun. P stands for periodic, which means that the comet has an elliptical orbit and returns to the inner solar system at predictable intervals. C stands for non-periodic, which means that the comet has a parabolic or hyperbolic orbit and is not expected to return to the inner solar system.

(b) To determine the velocity of comet c/2023 IAAC for a distance of 0.8 AU to the sun, we can use the Vis-Viva equation:

v(x) = õ(2/x - 1/a)

where µ = G(m1 + m2) and G is the gravitational constant.

For comet c/2023 IAAC, we do not know the mass of the comet, so we cannot calculate µ directly. However, we can assume that the comet has a negligible mass compared to the mass of the Sun, which is 1.9 x 10^30 kg. Therefore, we can simplify the equation as follows:

v(x) = √(Gm2)(2/x)

where m2 = 1.9 x 10^30 kg and x = 0.8 AU = 1.2 x 10^11 m.

Plugging in these values, we get:

v(1.2 x 10^11 m) = √[(6.67 x 10^-11 m3kg^-1s^-2)(1.9 x 10^30 kg)][2/(1.2 x 10^11 m)]

v(1.2 x 10^11 m) = 57.7 km/s (rounded to one decimal place).

Therefore, the velocity of comet c/2023 IAAC for a distance of 0.8 AU to the sun is approximately 57.7 km/s.

Explanation:

Answer:

The finger moves at a changing rate along Line 2.

Explanation: Hope this helped! :p

Answer:

hide sample answer

The finger moves at a changing rate along Line 2.

Explanation:

Answer:

1st one is: A

2nd one is: B

Answer:

When a net force acts on a body it produces acceleration in body the magnitude of tries acceleration is directly proportional to the net force acting and inversely proportional to the mass of the body

Mathematical form

F=ma

Explanation:

I hope it will help you