A duck swimming on the surface of a pond has an initial velocity of 0.7m/s at an angle of 25° north of
west. It begins accelerating at a rate of 0.5m/s2
at an angle of 41° south of east.
Ра
W
Ducks speed
offer of seconds)

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?