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jimmyjonas
Questions (8)
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
0 answers
388 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
3 answers
1,601 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
496 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
0 answers
409 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
1 answer
576 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
1 answer
875 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
2 answers
1,204 views
Two satellites are in circular orbits around Jupiter. One, with orbital radius r, makes one revolution every 17 h. The other
2 answers
820 views
