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jimmyjonas
Questions and answers by visitors named
jimmyjonas
Questions (8)
Two satellites are in circular orbits around Jupiter. One, with orbital radius r, makes one revolution every 17 h. The other
5 answers
755 views
2.A spy satellite is in circular orbit around Earth. It makes one revolution in 6.02 hours.
(a) How high above Earth's surface is
3 answers
1,135 views
3.A roller coaster has a vertical loop with radius 27.1 m. With what minimum speed should the roller coaster car be moving at
2 answers
819 views
4.A 30.8-kg child swings on a rope with a length of 6.29 m that is hanging from a tree. At the bottom of the swing, the child is
3 answers
520 views
5.A car approaches the top of a hill that is shaped like a vertical circle with a radius of 55.5 m. What is the fastest speed
1 answer
376 views
6.A child pushes a merry go-round from rest to a final angular speed of 0.46 rev/s with constant angular acceleration. In doing
1 answer
441 views
7.A turntable reaches an angular speed of 33.3 rpm, in 2.1 s, starting from rest.
(a) Assuming the angular acceleration is
4 answers
1,515 views
7.If a washing machine's drum has a radius of 28 cm and spins at 4.1 rev/s, what is the strength of the artificial gravity to
1 answer
357 views
