question archive A school bus slid off the icy driveway 2 points of the school into the ditch
A school bus slid off the icy driveway 2 points of the school into the ditch
Subject:PhysicsPrice:2.86 Bought7
A school bus slid off the icy driveway 2 points of the school into the ditch. Yes, it really happened! A heavy—duty tow truck attached a cable to the 11500 kg bus and pulled it up the embankment to a height of 1.2 m at a constant speed. The cable exerted a force of 25000 N over a distance of 25 m to pull the bus out of the ditch. What is the percent efficiency of the tow? * Your answer
