A80 A compressed spring is used to propel a ball- bearing along a track which contains a circular loop of radius U.10m in a vertical planc. The spring obeys Hooke's luw and requires a force ol 0.20 N to compreis it 1.0 mm. 0.10m (a) The spring is compressed by 30 mm. Culculate the energy stored in the spring. (i) A bal-bearing of mass 0.025 kg is placed against the end of the spring which is then released. Calculete (i) the speed with which the ball- bearing leaves the spring, (ii) the speed of the bail at the top of the loop, (iii) the force exerted on the ball by the track at the top of the loop. Assume that the effects of friction can be iguoted. IJ. '89]
A80 A compressed spring is used to propel a ball- bearing along a track which contains a circular loop of radius U.10m in a vertical planc. The spring obeys Hooke's luw and requires a force ol 0.20 N to compreis it 1.0 mm. 0.10m (a) The spring is compressed by 30 mm. Culculate the energy stored in the spring. (i) A bal-bearing of mass 0.025 kg is placed against the end of the spring which is then released. Calculete (i) the speed with which the ball- bearing leaves the spring, (ii) the speed of the bail at the top of the loop, (iii) the force exerted on the ball by the track at the top of the loop. Assume that the effects of friction can be iguoted. IJ. '89]
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter5: Energy
Section: Chapter Questions
Problem 63AP: A roller-coaster car of mass 1.50 103 kg is initially at the top of a rise at point . It then moves...
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