A2.0 kg wooden block is slid along a concrete surface (μk = 0.21) with an initial speed of 15 m/s. how far will the block slide until it stops?

The distance is 54.6 m

Explanation:

Given that,

Mass = 2.0 kg

Frictional coefficient = 0.21

Initial velocity = 15 m/s

We need to calculate the acceleration

Using formula of frictional force  

We need to calculate the acceleration

We need to calculate the initial velocity

Using equation of motion

Put the value  

Hence, The distance will be 54.6 m.

moving ball hits still ball. mover stops, hit ball moves. momentum transfer.

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