Solution equation of a wave motion, X = 3 cos (0.2 t --π / 4) given as. a) Find its position at the start, b) Find out when it reaches the maximum position.

Alarge truck is moving 22.0 m/s. if it’s momentum is 125,000 kg • m/s, what is the trucks mass

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge