A bag is raised from a height of to above the ground

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Work Energy and Power · Work Energy and Power

Problem

A

2\,\text{kg}

bag is raised from a height of

1.5\,\text{m}

to

4.0\,\text{m}

above the ground. Take

g=9.8\,\text{m/s}^{2}

. Calculate the increase in its gravitational potential energy. (a)

24.5\,\text{J}

(b)

49\,\text{J}

(c)

78.4\,\text{J}

(d)

-49\,\text{J}

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