An instructor fires an arrow into a wooden block suspended by strings, as shown. If the mass of the arrow is 1/10 the mass of the block, what is the momentum of the arrow relative to the momentum of the block after the arrow has fully penetrated the block and is moving with it? a.) The momentum of the arrow is ten times that of the block. b.) The momentum of the arrow is 1/100 times that of the block because the kinetic energy is 1/2mv2. c.) The momentum of the arrow is 1/10 that of the block. d.) The momentum of the arrow is 100 times that of the block because the kinetic energy is 1/2mv2. e.) The momenta are the same.

An instructor fires an arrow into a wooden block suspended by strings, as shown. If the mass of the arrow is 1/10 the mass of the block, what is the momentum of the arrow relative to the momentum of the block after the arrow has fully penetrated the block and is moving with it? a.) The momentum of the arrow is ten times that of the block. b.) The momentum of the arrow is 1/100 times that of the block because the kinetic energy is 1/2mv2. c.) The momentum of the arrow is 1/10 that of the block. d.) The momentum of the arrow is 100 times that of the block because the kinetic energy is 1/2mv2. e.) The momenta are the same.

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As shown on the right two identical objects have the same mass. They are moving with the same speed but one is going due North and the other is going due East. Which of the following statements is completely correct? North a. East m m V Select one: They both have the same kinetic energies and the same momentum. b. They have different kinetic energies and they have different momentum. OC. They have the same kinetic energies, but they have different momentum. Od. They have different kinetic energies, but they have the same momentum.
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