In a perfectly elastic collision, momentum and energy are
A) not conserved
B) conserved
C) becomes zero after collision
D) equal before collision
Correct Answer:
Verified
Q1: To replace a ball with another ball
Q2: Direction of momentum is direction of object's
A)mass
B)acceleration
C)velocity
D)frictional
Q3: In a springy collision, if the fast
Q4: An object travelling with constant velocity has
A)constant
Q5: If a trolley collides with a stationary
Q7: Mass and velocity are combined to give
A)angular
Q8: If the total kinetic energy and momentum
Q9: Momentum of two objects moving with same
Q10: Forces on interacting bodies are
A)equal
B)opposite
C)both A and
Q11: Resultant force acting on object and rate
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