Question

In: Physics

You and your friend Peter are putting new shingles on a roof pitched at 23 ∘...

You and your friend Peter are putting new shingles on a roof pitched at 23 ∘ . You're sitting on the very top of the roof when Peter, who is at the edge of the roof directly below you, 5.0 m away, asks you for the box of nails. Rather than carry the 2.5 kg box of nails down to Peter, you decide to give the box a push and have it slide down to him.

If the coefficient of kinetic friction between the box and the roof is 0.55, with what speed should you push the box to have it gently come to rest right at the edge of the roof?

Expert Solution

Answer:

Given data:

The frictional force is given by µN where

we know that force equation is

Now we use the equation is

genius_generous answered 1 year ago

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