A Hooke's law spring is compressed 12.0 cm from equilibrium and the potential energy stored is 36.0 J. What is the spring constant in this case?
a. 10,000 N/m
c. 1200 N/m
b. 5000 N/m
d. The correct answer is not given.
B
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Two people are on a ride where the inside cars rotate at constant angular velocity three times the constant angular velocity of the outer cars. If the two cars are in line at t = 0, and moving at 3? and ? respectively, at what time will they next pass each other?
A.
B.
.C.
.D.
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