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Use the Figure to Answer the Question

Question 21

Multiple Choice

Use the figure to answer the question. A light rope runs through two frictionless pulleys of negligible mass.A mass,m,is hung from one of the pulleys and a force,F is applied to one end of the rope so that the mass moves at a constant speed. Use the figure to answer the question. A light rope runs through two frictionless pulleys of negligible mass.A mass,m,is hung from one of the pulleys and a force,F is applied to one end of the rope so that the mass moves at a constant speed. -A car and its occupants,with a total mass m,are moving at a speed v relative to an observer on the side of the road.You are driving in another car,also traveling at speed v,and in the same direction as the first car.The kinetic energy of the first car relative to you is A) 0 B) mv<sup>2</sup> C) m(2v) <sup>2</sup> D) m (3v) <sup>2</sup> E) depends on the mass of your car
-A car and its occupants,with a total mass m,are moving at a speed v relative to an observer on the side of the road.You are driving in another car,also traveling at speed v,and in the same direction as the first car.The kinetic energy of the first car relative to you is


A) 0
B) Use the figure to answer the question. A light rope runs through two frictionless pulleys of negligible mass.A mass,m,is hung from one of the pulleys and a force,F is applied to one end of the rope so that the mass moves at a constant speed. -A car and its occupants,with a total mass m,are moving at a speed v relative to an observer on the side of the road.You are driving in another car,also traveling at speed v,and in the same direction as the first car.The kinetic energy of the first car relative to you is A) 0 B) mv<sup>2</sup> C) m(2v) <sup>2</sup> D) m (3v) <sup>2</sup> E) depends on the mass of your car mv2
C) Use the figure to answer the question. A light rope runs through two frictionless pulleys of negligible mass.A mass,m,is hung from one of the pulleys and a force,F is applied to one end of the rope so that the mass moves at a constant speed. -A car and its occupants,with a total mass m,are moving at a speed v relative to an observer on the side of the road.You are driving in another car,also traveling at speed v,and in the same direction as the first car.The kinetic energy of the first car relative to you is A) 0 B) mv<sup>2</sup> C) m(2v) <sup>2</sup> D) m (3v) <sup>2</sup> E) depends on the mass of your car m(2v) 2
D) Use the figure to answer the question. A light rope runs through two frictionless pulleys of negligible mass.A mass,m,is hung from one of the pulleys and a force,F is applied to one end of the rope so that the mass moves at a constant speed. -A car and its occupants,with a total mass m,are moving at a speed v relative to an observer on the side of the road.You are driving in another car,also traveling at speed v,and in the same direction as the first car.The kinetic energy of the first car relative to you is A) 0 B) mv<sup>2</sup> C) m(2v) <sup>2</sup> D) m (3v) <sup>2</sup> E) depends on the mass of your car m (3v) 2
E) depends on the mass of your car

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