Question 17

A roller-coaster car with mass of 900 kg is launched from

a giant spring of constant 37 kN/m into a frictionless

loop-the-loop track of radius 6.3 m, as shown in the

figure. (Figure 1)

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Part A

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What is the minimum amount that the spring must be compressed if the car is to stay on the track?

Express your answer in meters.

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