A delivery truck travels in a straight line on a horizontal roadway at constant speed (kilometers per hour). The truck travels a distance of .

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

See the attachment and solve question 5th

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