Question

Calculate the height at which an object of mass 0.5 kg should be raised so that its energy changes by 1J.( Given g= 10m/s²

Answer 1

we know that PE=mgh

so here

1=mgh

5*10*h=1

h=1/50m

or

.02

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Answer 2

Answer:

Given: 0.5 kg and g=10 Ms.

using the formula U= mgh, we get:

1.0=0.5×10×h

thus h=1/5=0.2m, which is the required height.

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