A 2 kg block slides on a horizontal floor with a speed of 4m/s. It strikes a uncompressed spring, and compresses it till the block is motionless. The kinetic friction force is 15N and spring constant is 10,000 N/m. The spring compresses ?
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Hi friend here is your answer.
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Since the block has no acceleration, So there is only 1 force acting which is frictional force.
so , Fk=-Kx (K is known as spring constant and x is distance covered by the spring)
15=-10000 × x
x=15/(10)^4=15×10^-4 m answer.
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##################
Since the block has no acceleration, So there is only 1 force acting which is frictional force.
so , Fk=-Kx (K is known as spring constant and x is distance covered by the spring)
15=-10000 × x
x=15/(10)^4=15×10^-4 m answer.
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