Multiple Choice
A proton of mass m is at rest when it is suddenly struck head-on by an alpha particle (which consists of 2 protons and 2 neutrons) moving at speed v.If the collision is perfectly elastic,what speed will the alpha particle have after the collision? (Assume the neutron's mass is equal to the proton's mass. )
A) zero
B) 2v/3
C) 3v/5
D) 5v/3
Correct Answer:
Verified
Correct Answer:
Verified
Q75: A 50-g ball moving at 10 m/s
Q76: Two simple pendulums of equal length l
Q77: Two friends are standing on opposite ends
Q78: A 1500-kg car traveling at 90 km/h
Q79: A 0.330-kg volleyball is thrown vertically downward
Q81: You are standing on a skateboard,initially at
Q82: A 14-cm diameter champagne bottle rests on
Q83: A golf club exerts an average horizontal
Q84: In an inelastic collision involving an isolated
Q85: Consider two less-than-desirable options.In the first you