Asked by elle
A student has a weight of 650 N. While riding on a roller-coaster this same student has an apparent weight of 1.97 x 103 N at the bottom of a loop that has a radius of 17.0 m. The speed of the roller-coaster is ____m/s.
Answers
Answered by
R_scott
m v^2 / r = 1.97E3 N - 650 N = 1320 N
m v^2 = (1320 * 17.0) N⋅m = (1302 * 17.0) kg⋅m^2/s^2
v^2 = (1302 * 17.0 / 650) m^2/s^2
m v^2 = (1320 * 17.0) N⋅m = (1302 * 17.0) kg⋅m^2/s^2
v^2 = (1302 * 17.0 / 650) m^2/s^2
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