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?
Answers: 3
Physics, 23.06.2019 05:00, Richelleypinelley
Definition: this is the weighted average of all of the isotopes of an element.
Answers: 1
Physics, 23.06.2019 06:10, danielbamf1414
Question 1(multiple choice worth 2 points) in order to be considered work, the components that must be present are • a force and a movement in the same direction as the force an action which causes movement and an opposite reaction an action which causes no movement or reaction a force and a movement in the opposite direction of the force
Answers: 1
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