A block of mass is raised from the bottom of a lake to a height of without a change…

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Fluids · Fluids

Problem

A block of mass

5\,\mathrm{kg}

is raised from the bottom of a lake to a height of

3\,\mathrm{m}

without a change in kinetic energy. If the density of the block is

3000\,\mathrm{kg\,m^{-3}}

, the work done is equal to (1)

100\,\mathrm{J}

(2)

150\,\mathrm{J}

(3)

50\,\mathrm{J}

(4)

75\,\mathrm{J}