The coefficient of restitution is 0 for a completely inelastic collision.
a) True
b) False
Q.2.
A sphere of massKg is moving at a speed of 1.5 m/s undergoes collision with another sphere of massKg moving at 3m/s in the same direction, find the loss of kinetic energy when the collision is inelastic.
a) 18.75 N-m
b) 19.75 N-m
c) 17.75 N-m
d) 16.75 N-m
Q.3.
A sphere of massKg is moving at a speed of 1.5 m/s undergoes collision with another sphere of massKg moving at 3m/s in the same direction, find the loss of kinetic energy when the collision is inelastic with e = 0.6.
a) 18.75 N-m
b) 12.00 N-m
c) 13.75 N-m
d) 12.75 N-m
Q.4.
A sphere of massKg is moving at a speed of 1.5 m/s undergoes collision with another sphere of massKg moving at 3m/s in the same direction, find the common velocity in m/s after collision when the collision is completely inelastic.
a) 2.5
b) 9.75
c) 7.25
d) 6.75
Q.5.
A sphere of massKg is moving at a speed of 1.5 m/s undergoes collision with another sphere of massKg moving at 3m/s in the same direction, find the velocity ofKg mass in m/s after collision when the collision is elastic.
a) 2.5
b) 2.00
c) 7.25
d) 6.75
Q.6.
Coefficient of restitution of elastic bodies is ______
a) One
b) More than one
c) Between 0 and one
d) Zero
Q.7.
Kinetic energy before collision is always equal to the kinetic energy after collision.
a) True
b) False
Q.8.
Which of the following cases has the greatest loss in Kinetic energy?
a) e=0
b) e=1/2
c) e=1/4
d) e=1
Q.9.
A sphere of massKg is moving at a speed of 1.5 m/s undergoes collision with another sphere of massKg moving at 3m/s in the same direction, find the velocity ofKg mass in m/s after collision when the collision is elastic.
a) 2.5
b) 2.00
c) 3.5
d) 6.75
Q.10.
A sphere of massKg is moving at a speed of 1.5 m/s undergoes collision with another sphere of massKg moving at 3m/s in the same direction, find the velocity ofKg mass in m/s after collision when the collision is inelastic with e = 0.6.
a) 2.5
b) 2.00
c) 3.5
d) 3.1
Q.11.
A sphere of massKg is moving at a speed of 1.5 m/s undergoes collision with another sphere of massKg moving at 3m/s in the same direction, find the velocity ofKg mass in m/s after collision when the collision is inelastic with e = 0.6.
a) 2.2
b) 2.00
c) 3.5
d) 3.1
Q.12.
Which of the following cases momentum is conserved?
a) Perfectly elastic collision
b) Inelastic collision with 0<e<1
c) Perfectly inelastic collision
d) Momentum is always conserved
Q.13.
Which of the following cases Kinetic energy is conserved?
a) Perfectly elastic collision
b) Inelastic collision with 0<e<1
c) Perfectly inelastic collision
d) Momentum is always conserved
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