As the text discusses, the conservation of linear momentum is applicable only wh

Question

As the text discusses, the conservation of linear momentum is applicable only when the system of objects is an isolated system. Which of the systems listed below are isolated systems?

Six runners have masses (in multiples of m0), speeds (in multiples of v0) and travel in the directions indicated in the table. Which two runners have identical momenta?

Two objects are involved in a completely inelastic one-dimensional collision. The net external force acting on them is zero. The table lists four possible sets of the initial momenta and kinetic energies of the two objects, as well as their final momenta and kinetic energies. Which is the only set that could occur?

Only 1 and 3 are isolated systems. As the text discusses, the conservation of linear momentum is applicable only when the system of objects is an isolated system. Which of the systems listed below are isolated systems? A ball is dropped from the top of a building. The system is the ball. A ball is dropped from the top of a building. The system is the ball and the earth. A billiard ball collides with a stationary billiard ball on a frictionless pool table. The system is the moving ball. A car slides to a halt in an emergency. The system is the car. A space probe is moving in deep space where gravitational and other forces are negligible. The system is the space probe. Only 1 and 3 are isolated systems. Only 4 and 5 are isolated systems. Only 5 is an isolated system. Only 2 and 5 are isolated systems. Only 3 and 5 are isolated systems. Six runners have masses (in multiples of m0), speeds (in multiples of v0) and travel in the directions indicated in the table. Which two runners have identical moment a?

Explanation / Answer

Only 2 and 5 are isolated systems.

A and E

c could occur

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