In an elastic collision
I. Energy is conserved
II. Energy is decreased
III. Energy is increased
IV. Linear momentum conserved
A
I only
B
I and IV only
C
II only
D
III only
Verified Correct Answer: B.
Physical Principles & Numerical Solution
In an inelastic collision, linear momentum is conserved and energy is decreased
Momentum and kinetic energy are conserved in elastic collision
Source: Myschool Past Questions Archive (Record #40769)