Multiple Choice
A 2.0-kg mass is projected vertically upward from ground level with an initial speed of 30 m/s.The mass rises to a maximum height of 35 m above ground level.What is the change in mechanical energy of the mass caused by air resistance between the point of projection and the point of maximum height?
A) -0.21 kJ
B) -0.47 kJ
C) -0.40 kJ
D) -0.34 kJ
E) -0.69 kJ
Correct Answer:
Verified
Correct Answer:
Verified
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