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A mass of 0.5kg moving with a speed of 1.5 m/s on a horizontal smooth surface, collides with a nearly weightless spring of force constant k = 50N/m. The maximum compression of the spring would be
detailed solution
Correct option is B
12mv2=12kx2⇒mv2=kx2 or 0.5×(1.5)2=50×x2 ∴x=0.15mTalk to our academic expert!
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A spring 40 mm long is stretched by the application of a force. If 10 N force required to stretch the spring through 1 mm, then work done (in J) in stretching the spring through 40 mm is
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