A ball collides with a second ball at rest. After the collision, the first ball comes to rest and the second ball moves off at the speed of the first ball. In this collision

A. total momentum is not conserved.
B. total kinetic energy is not conserved.
C. total momentum is conserved but total kinetic energy is not conserved.
D. total momentum is not conserved but total kinetic energy is conserved.
E. total momentum and total kinetic energy are conserved and the masses are equal.


E. total momentum and total kinetic energy are conserved and the masses are equal.

Physics & Space Science

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Induction: Two uncharged metal spheres, #1 and #2, are mounted on insulating support rods. A third metal sphere, carrying a positive charge, is then placed near #2. Now a copper wire is momentarily connected between #1 and #2 and then removed. Finally, sphere #3 is removed. In this final state

A. spheres #1 and #2 are still uncharged. B. sphere #1 carries positive charge and #2 carries negative charge. C. sphere #1 carries negative charge and #2 carries positive charge. D. spheres #1 and #2 both carry positive charge. E. spheres #1 and #2 both carry negative charge.

Physics & Space Science

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A. 1200 A B. 9.5 × 108 A C. 68 nA D. 710 A

Physics & Space Science

The figure shows two point sources of light, A and B, that emit light waves in phase with each other. A is a distance of 3? from point P. B is distant 5? from P. (? is the wavelength.) The phase difference between the waves arriving at P from A and B is ? ?

A. 0 rad. B. ? rad. C. 2? rad. D. 3? rad. E. 4? rad.

Physics & Space Science

What are the latitude and longitude of a place on Earth directly opposite Columbia, South Carolina, which is at 81°W, 34°N?

Physics & Space Science