Multiple Choice
A ball is thrown upward with a speed and direction such that it reaches a maximum height of 16.0 m above the point it was released. At its maximum height it has a speed of 18.0 m/s. With what speed was the ball released?
A) 25.3 m/s
B) 22.2 m/s
C) 33.0 m/s
D) 29.2 m/s
E) 36.9 m/s
Correct Answer:

Verified
Correct Answer:
Verified
Q27: The ratio of the final kinetic energy
Q28: FIGURE 7-2 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 7-2
Q29: FIGURE 7-3 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 7-3
Q30: A man drags a 130-kg object down
Q31: The work required to stretch a spring
Q33: Which object has larger kinetic energy: a
Q34: A car starts from rest and after
Q35: A constant force of 20 N is
Q36: A 20-N horizontal force pushes an object
Q37: State the work-energy theorem.