MHT-CET

Work, Energy, Power and Collision question bank (Physics)

Practice 100 free MHT-CET Physics - Work, Energy, Power and Collision questions with answers and step-by-step solutions.

Q1.

$A$ block of mass '$m$' moving on a frictionless horizontal surface collides with a spring of spring constant '$K$' and compresses it through a distance '$x$'. The maximum momentum of the block after collision is

(A)
zero
(B)
$\sqrt{Km} x$
(C)
$mx^2/K$
(D)
$Kx^2/2m$
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Q2.

$A$ wooden block of mass $m$ moves with velocity $v$ and collides with another block of mass $4m$,which is at rest. After the collision,the block of mass $m$ comes to rest. The coefficient of restitution will be:

(A)
$0.70$
(B)
$0.25$
(C)
$0.40$
(D)
$0.50$
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