A 140 g block on a frictionless table is firmly attached to one end of a spring

Question

A 140 g block on a frictionless table is firmly attached to one end of a spring with k 21 N/m. The other end of the spring is anchored to the wall. A 28 g ball is thrown horizontally toward the block with a speed of 6.0 m/s. What is the maximum compression of the spring? Express your answer to two significant figures and include the appropriate units. Repeat part A for the case of a perfectly inelastic collision. Express your answer to two significant figures and include the appropriate units. Repeat part B for the case of a perfectly inelastic collision. Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

Part D)

Writing energy equation

0.5 kx^2 = 0.5 (m+M) v^2

0.5 ×21 × x^2 = 0.5 (0.140+0.028)×1^2

x^2 =0.008

x= 0.0894 m Answer

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