QUESTION 13 What power is needed to lift a 221 kg crate of bricks from the...
Question Completion Status: QUESTION 1 What power is needed to lift a 40 kg student a vertical distance of 5.0 m in 20.0 s? a. 60 W b. 120 W c. 98 W d. 12.5 W e.210 W QUESTION 2 When a certain rubber band is stretched a distance x. it eyerto band from x = 0 to x = L is: QUESTION 2 When can be and stretched a distance x, it exerts a restoring force F = ax...