A 1.5 kg book is lifted 2.0 m from floor .how much potential energy is acquired by the book? A. 29.4 Joules
B. 294 Joules
C.24.9 Joules
D. 294 Joules

A. 29.4 Joules

Explanation:

Given parameters:

Mass of the book  = 1.5kg

Height of lift = 2m

Unknown:

Potential energy acquired  = ?

Solution:

Potential energy is the energy due to the position of a body.

Mathematically;

       Potential energy  = mgh

m is the mass of the body

g is the acceleration due to gravity = 9.8m/s²

h is the height

     Potential energy  = 1.5 x 9.8 x 2

     Potential energy  = 29.4J

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