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Introduction to Radial & Tangential Acceleration

an ideal spri...

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an ideal spring is used to fire a 2 g block horizontally across a frictionless table top . the spring has spring cons†an 80 N/m and is initially compressed by 3 cm . the speed of the block as it leaves the spring is

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Q. Assertion :One end of an ideal mass less spring is connected to a fixed vertical wall and the other end has a block of mass m initially at rest on a smooth horizontal surface. The spring is initially in natural length. Now a horizontal force F acts on the block as shown. Then the maximum extension in spring is equal to the maximum compression in the spring. Reason: To compress and to expand an ideal unstretched spring by equal amount, same work is to be done on the spring.

Q. A small block of ice with mass

0.120

kg is placed against a horizontal compressed spring mounted on a horizontal table top that is

1.90

m above the floor. The spring has a force constant

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(g = 9.8 m / s^{2})

2 kg

block slides on a horizontal floor with a speed of

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. It strikes an uncompressed spring and compresses it till the block is motionless. The kinetic friction force is

15 N

and spring constant is

10, 000 N/m

. The spring compresses by

Q. A 2 kg block slides on a horizontal floor with a speed of 4 m/s. It strikes an uncompressed spring, and compresses it till the block is motionless. The kinetic friction force is 15 N and spring constant is 10,000 N/m. The spring compresses by :-

Q. A shown in figure there is a spring block system. Block of mass

500

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5.0

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N/m. When released, the block moves horizontally till it leaves the spring. Calculate the distance where it will hit the ground

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