Home Physics Newton's Laws of Motion Conservation of Linear Momentum Impulse A system of wedge and block connected by mas…
Physics Newton's Laws of Motion Conservation of Linear Momentum Impulse MCQ (Single Correct)

A system of wedge and block connected by massless spring, as shown in figure is released with the spring in its natural length. The masses of bodies and spring constant are as shown in figure. All surfaces are frictionless. Maximum elongation in the spring will be-

A
B
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D

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The correct answer is:
A

By applying law of conservation of energy on whole system if mass slides down then its potential energy decreases mass slides x on inclined plane then its height decreased by cos component of then potential energy decreases of mass is

this energy is gained by spring as kinetic energy

from this we get,

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