Multiple Choice
An object of mass 4 kg is thrown vertically upwards from ground level with an initial speed of 20 m/s. Ignore friction and use g = 10 m/s2. What is the kinetic energy of the object as it reaches its maximum height?
A) 800 J
B) 400 J
C) 200 J
D) 0 J
E) 80 J
Correct Answer:

Verified
Correct Answer:
Verified
Q15: FIGURE 8-5 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 8-5
Q16: FIGURE 8-12 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 8-12
Q17: An object of mass 4.0 kg is
Q18: Non-conservative forces convert mechanical energy into other
Q19: FIGURE 8-8 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 8-8
Q21: State the Conservation of Mechanical Energy
Q22: An object of mass 20.0 kg is
Q23: FIGURE 8-4 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 8-4
Q24: Describe the energy of a car driving
Q25: You throw a ball straight up. Compare