Physics High School

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- 14. A 0.400 kg physics cart is moving with a velocity of 0.22 m/s. This cart collides inelastically with a second stationary cart and the two move off together with a velocity of 0.16 m/s. What was

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Answer 1

In an inelastic collision, two or more objects stick together and travel as one unit after the collision. The principle of conservation of momentum states that the total momentum of a closed system remains constant if no external forces act on the system, which is also true for an inelastic collision.

As a result, the momentum of the first cart is equal to the combined momentum of the two carts after the collision, since the collision is inelastic. The velocity of the two carts after the collision can be calculated using the conservation of momentum, as follows:0.400 kg x 0.22 m/s + 0 kg x 0 m/s = (0.400 kg + 0 kg) x 0.16 m/s0.088 Ns = 0.064 NsThe total momentum of the system is 0.064 Ns.

The two carts move together after the collision with a velocity of 0.16 m/s. The mass of the second cart is 0 kg, therefore, its initial momentum is 0 Ns. The momentum of the first cart is therefore equal to the total momentum of the system.

The initial momentum of the first cart can be calculated using the following formula:p = mv0.088 Ns = 0.400 kg x v Therefore, the initial velocity of the first cart is:v = p/mv = 0.088 Ns / 0.400 kgv = 0.22 m/s Hence, the initial velocity of the first cart is 0.22 m/s.

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Related Questions

The displacement of a wave traveling in the negative y-direction
is D(y,t)=(9.0cm)sin(45y+70t+π)D(y,t)=(9.0cm)sin⁡(45y+70t+π), where
y is in m and t is in s.
What is the frequency of this wave?
Wh

Answers

The displacement of a wave traveling in the negative y-direction depends on the amplitude and frequency of the wave.

The displacement of a wave traveling in the negative y-direction is a combination of factors. The first factor is the amplitude, which is the maximum distance that a particle moves from its rest position as a wave passes through it. The second factor is the frequency, which is the number of waves that pass a fixed point in a given amount of time. The displacement of a wave is given by the formula y = A sin(kx - ωt + ϕ), where A is the amplitude, k is the wave number, x is the position, ω is the angular frequency, t is the time, and ϕ is the phase constant. This formula shows that the displacement depends on the amplitude and frequency of the wave.

These variables have the same fundamental meaning for waves. In any case, it is useful to word the definitions in a more unambiguous manner that applies straightforwardly to waves: Amplitude is the distance between the wave's maximum displacement and its resting position. Frequency is the number of waves that pass by a particular point every second.

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