Physics

Problem

A boat is towed by a rope that makes an angle of

30^{\circ}

with the horizontal. The tension in the rope is

150\,\text{N}

and the boat moves steadily at

4\,\text{m\,s}^{-1}

. Calculate the power delivered by the towing force. a)

600\,\text{W}

300\,\text{W}

520\,\text{W}

693\,\text{W}