A trolley moves on a smooth track with a speed of

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

Problem

4\,\text{kg}

trolley moves on a smooth track with a speed of

5\,\text{m/s}

. Its kinetic energy is (a)

40\,\text{J}

(b)

10\,\text{J}

(c)

50\,\text{J}

(d)

100\,\text{J}