Physics

Problem

A sled of mass

20\,\text{kg}

is pulled along a horizontal, frictionless surface by a machine that delivers a constant power of

1.0\times10^{3}\,\text{W}

. How much distance does the sled cover in the first

5\,\text{s}

after starting from rest? a)

37\,\text{m}

149\,\text{m}

74\,\text{m}

100\,\text{m}