A cylindrical drum of radius is rolled along a straight road

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Energy and Momentum of Rotating Systems · Energy and Momentum of Rotating Systems

Problem

A cylindrical drum of radius

0.4\,\text{m}

is rolled along a straight road. How many complete revolutions must it make to cover a distance of

2\,\text{km}

? (Give your answer to the nearest whole number.)