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Use the Figure to Answer the Question

Question 65

Multiple Choice

Use the figure to answer the question. The graph shows the speed of a light truck of mass 4000 kg coasting on neutral down a level straight road. The truck is slowing down due to air resistance and rolling friction. Use the figure to answer the question. The graph shows the speed of a light truck of mass 4000 kg coasting on neutral down a level straight road. The truck is slowing down due to air resistance and rolling friction. -Estimate the work done per second by the retarding force at t = 5s. A) 20 kJ B) 40 kJ C) 60 kJ D) 80 kJ E) 100 kJ
-Estimate the work done per second by the retarding force at t = 5s.


A) Use the figure to answer the question. The graph shows the speed of a light truck of mass 4000 kg coasting on neutral down a level straight road. The truck is slowing down due to air resistance and rolling friction. -Estimate the work done per second by the retarding force at t = 5s. A) 20 kJ B) 40 kJ C) 60 kJ D) 80 kJ E) 100 kJ 20 kJ
B) Use the figure to answer the question. The graph shows the speed of a light truck of mass 4000 kg coasting on neutral down a level straight road. The truck is slowing down due to air resistance and rolling friction. -Estimate the work done per second by the retarding force at t = 5s. A) 20 kJ B) 40 kJ C) 60 kJ D) 80 kJ E) 100 kJ 40 kJ
C) Use the figure to answer the question. The graph shows the speed of a light truck of mass 4000 kg coasting on neutral down a level straight road. The truck is slowing down due to air resistance and rolling friction. -Estimate the work done per second by the retarding force at t = 5s. A) 20 kJ B) 40 kJ C) 60 kJ D) 80 kJ E) 100 kJ 60 kJ
D) Use the figure to answer the question. The graph shows the speed of a light truck of mass 4000 kg coasting on neutral down a level straight road. The truck is slowing down due to air resistance and rolling friction. -Estimate the work done per second by the retarding force at t = 5s. A) 20 kJ B) 40 kJ C) 60 kJ D) 80 kJ E) 100 kJ 80 kJ
E) Use the figure to answer the question. The graph shows the speed of a light truck of mass 4000 kg coasting on neutral down a level straight road. The truck is slowing down due to air resistance and rolling friction. -Estimate the work done per second by the retarding force at t = 5s. A) 20 kJ B) 40 kJ C) 60 kJ D) 80 kJ E) 100 kJ 100 kJ

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