Matthew is waterskiing. As the boat starts moving, he is at an angle of 8.0° to the right of the boat. The boat applies 250 newtons over the first 50 meters, while the angle stays at roughly 8.0°. What work has the boat done on Matthew?

Answer 1

250 cos 8 N which is force in direction of motion
times distance in that direction which is 50 m
= 12,378 Joules