A baseball player is playing catch with the teammate when the ball leaves his hand it is moving at 29.1 m/s. he throws the ball I don’t angle of 30.0° above the horizontal. his friend catches the ball at the same height from which it was thrown

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600