Physics

Physics, 29.06.2019 07:40, Esme1995

In a lab, two identical lab carts (m = 1.0 kg) travel toward each other, each with a speed of 2.0 m/s. the car collide, and one cart moves to the right with a speed of 3 m/s and the other moves left with a speed of 2 m/s. what best explains the results of the experiment?

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Physics, 08.07.2019 17:20, valeriegarcia12

A2.7-kg cart is rolling along a frictionless, horizontal track towards a 1.1-kg cart that is held initially at rest. the carts are loaded with strong magnets that cause them to attract one another. thus, the speed of each cart increases. at a certain instant before the carts collide, the first cart's velocity is +3.7 m/s, and the second cart's velocity is -1.6 m/s. (a) what is the total momentum of the system of the two carts at this instant? (b) what was the velocity of the first cart when the second cart was still at rest?

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Physics, 22.08.2019 21:10, deaishaajennings123

A2.3 kg cart is rolling across a frictionless, horizontal track towards a 1.5 kg cart that is initially held at rest. the carts are loaded with strong magnets that cause them to attract one another. thus, the speed of each cart increases. at a certain instant before the carts collide, the first cart's velocity is +4.9 m/s and the second cart's velocity is -1.9 m/s. a) what is the total momentum of the system of the two carts at this instant? b) what was the velocity of the first cart when the second cart was still at rest?

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Physics, 02.11.2019 14:31, staceymrtosr

In a lab, two identical lab carts (m = 1.0 kg) travel toward each other, each with a speed of 2 m/s. the cars collide, and one cart moves to the right with a speed of 3 m/s and the other moves left with a speed of 2 m/s. what best explains the results of the experiment? a. this experiment did not occur in a closed system. b. this proves the conservation of momentum since pi = pf . c. an additional mass was added to one cart, which explains the increase in speed. d. the increase in speed was due to the kinetic energy from one cart transferring to the other.

Answers: 2

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Physics, 04.11.2019 22:31, jasmine2531

Ared cart moves toward the right at speed v on a frictionless track while a blue cart moves toward it at speed 2v. the mass of the blue cart is m while the mass of the red card is 2m. before the carts collide: (a) what is the momentum of the two-cart system, in terms of m and v?

Answers: 3

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In a lab, two identical lab carts (m = 1.0 kg) travel toward each other, each with a speed of 2.0 m/...

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