Question

A 50N crate is lifted 0.86m from the ground then is allowed to drop losing 15 J of energy. What is the new height of the crate?

Answer 1

We have that the new height of the crate  is mathematically given as

Hn=0.56

New height of the crate

Question Parameters:

A 50N crate is lifted 0.86m from the ground

then is allowed to drop losing 15 J of energy.

Generally the equation for the Potential energy  is mathematically given as

P.E=mgh

Where

m=50/9.8

Therefore

h=15/(50/9.8*9.8)

h=0.3m

New height

0.86-0.3

Hn=0.56

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