Question

If you apply 1 j of energy to lift a book of 0.5 kg, how high will it rise?[take g = 10 ms-2]

Answer 1

$f = ma$
0.5×a
0.5×g. g=10m/s2
f= 5 newtons
$work = force \times displacement$
1 Joule=5 Newton's× Displacement
Displacement=1/5
Displacement=0.2 meter

Answer 2

Answer:

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