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A Car and Its Occupants, with a Total Mass M

Question 32

Multiple Choice

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) 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)    m2v) <sup>2</sup> D)    m 3v) <sup>2</sup> E)  depends on the mass of your car mv2
C) 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)    m2v) <sup>2</sup> D)    m 3v) <sup>2</sup> E)  depends on the mass of your car m2v) 2
D) 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)    m2v) <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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