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A Large Spring Is Used to Stop the Cars After

Question 10

Multiple Choice

A large spring is used to stop the cars after they come down the last hill of a roller coaster. The cars start at rest at the top of the hill and are caught by a mechanism at the instant their velocities at the bottom are zero. Compare the compression of the spring, xA, for a fully loaded car with that, xB, for a lightly loaded car when mA = 2mB. A large spring is used to stop the cars after they come down the last hill of a roller coaster. The cars start at rest at the top of the hill and are caught by a mechanism at the instant their velocities at the bottom are zero. Compare the compression of the spring, x<sub>A</sub>, for a fully loaded car with that, x<sub>B</sub>, for a lightly loaded car when m<sub>A</sub> = 2m<sub>B</sub>. A) x<sub>A</sub> = x<sub>B</sub>. B) x<sub>A</sub> = x<sub>B</sub>. C) x<sub>A</sub> = x<sub>B</sub>. D) x<sub>A</sub> = 2 x<sub>B</sub>. E) x<sub>A</sub> = 4 x<sub>B</sub>.


A) xA =
A large spring is used to stop the cars after they come down the last hill of a roller coaster. The cars start at rest at the top of the hill and are caught by a mechanism at the instant their velocities at the bottom are zero. Compare the compression of the spring, x<sub>A</sub>, for a fully loaded car with that, x<sub>B</sub>, for a lightly loaded car when m<sub>A</sub> = 2m<sub>B</sub>. A) x<sub>A</sub> = x<sub>B</sub>. B) x<sub>A</sub> = x<sub>B</sub>. C) x<sub>A</sub> = x<sub>B</sub>. D) x<sub>A</sub> = 2 x<sub>B</sub>. E) x<sub>A</sub> = 4 x<sub>B</sub>. xB.
B) xA = xB.
C) xA =
A large spring is used to stop the cars after they come down the last hill of a roller coaster. The cars start at rest at the top of the hill and are caught by a mechanism at the instant their velocities at the bottom are zero. Compare the compression of the spring, x<sub>A</sub>, for a fully loaded car with that, x<sub>B</sub>, for a lightly loaded car when m<sub>A</sub> = 2m<sub>B</sub>. A) x<sub>A</sub> = x<sub>B</sub>. B) x<sub>A</sub> = x<sub>B</sub>. C) x<sub>A</sub> = x<sub>B</sub>. D) x<sub>A</sub> = 2 x<sub>B</sub>. E) x<sub>A</sub> = 4 x<sub>B</sub>. xB.
D) xA = 2 xB.
E) xA = 4 xB.

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