Multiple Choice
In any and all collisions of short duration and for which it is true that no external forces act on the collision participants,
A) kinetic energy is conserved.
B) both momentum and kinetic energy are conserved.
C) neither momentum nor kinetic energy is conserved.
D) the relative velocities before and after impact are equal and oppositely directed.
E) momentum is conserved.
Correct Answer:

Verified
Correct Answer:
Verified
Q53: Water is fired horizontally out of a
Q54: A ball of mass m strikes a
Q55: A particle of mass 2m is moving
Q56: A bullet (mass = m)is fired
Q57: A car of mass 1850 kg is
Q59: In a coordinate system whose center of
Q60: If the momentum of a mass M
Q61: In a real collision,<br>A)kinetic energy is conserved.<br>B)linear
Q62: A bullet (mass = m<sub>1</sub>)is fired at
Q63: A 40 kg boy,on a stunt,jumps from