UCM Review Quiz

Captain Kev, the pilot of a 82500 kg plane, is told that he must remain in a holding pattern over the airport until it is his turn to land. Captain Kev flies his plane in a circle with a radius of 36 km, once every 12 minutes. What is the magnitude of planes tangential velocity?

• 314.16 m/s
• 162860163.16 m/s
• 0.31 m/s
• 18849.56 m/s

Captain Kev, the pilot of a 82500 kg plane, is told that he must remain in a holding pattern over the airport until it is his turn to land. Captain Kev flies his plane in a circle with a radius of 36 km, once every 12 minutes. What magnitude of centripetal force must the air exert against the wins to keep the plane moving in a circle?

• 226179 N
• 60782866706150000 N
• 720 N
• 814242715 N

What is the radius of an automobile tire that turns once every 0.095 seconds and has a speed of 27 m/s?

• 0.41 m
• 1785.75 m
• 0.02 m
• 2.45 m

A toy flying pig, suspended from the ceiling, is moving in uniform circular motion. The radius is 65 cm. It takes 1.8 seconds for the 280 gram pig to complete 1 revolution. What is the speed of the pig?

• 2.27 m/s
• 7.35 m/s
• 5.37 m/s
• 17.4 m/s

A toy flying pig, suspended from the ceiling, is moving in uniform circular motion. The radius is 65 cm. It takes 1.8 seconds for the 280 gram pig to complete 1 revolution. What is the centripetal acceleration of the pig?

• 7.93 m/s/s
• 83.11 m/s/s
• 44.36 m/s/s
• 465.78 m/s/s

A toy flying pig, suspended from the ceiling, is moving in uniform circular motion. The radius is 65 cm. It takes 1.8 seconds for the 280 gram pig to complete 1 revolution. What is the centripetal force acting on the pig?

• 2.22 N
• 23.27 N
• 12.42 N
• 130.42 N

A 0.8 kg tennis ball is tied to a rope and is swung in a vertical circle. The circle has a radius of 0.56 meters. If it spins 20 times every 15 seconds, what is the centripetal acceleration of the ball?

• 39.28 m/s/s
• 8.38 m/s/s
• 12.32 m/s/s
• 2.63 m/s/s

A 0.8 kg tennis ball is tied to a rope and is swung in a vertical circle. The circle has a radius of 0.56 meters. If it spins 20 times every 15 seconds, what is the centripetal force acting on the ball?

• 31.42 N

• 6.7 N

• 9.86 N

• 2.1 N

A 0.8 kg tennis ball is tied to a rope and is swung in a vertical circle. The circle has a radius of 0.56 meters. If it spins 20 times every 15 seconds, What is the tension in the rope at the top of the spin?

• 23.42 N

• 39.42 N

• 7.98 N

• 8.02 N

A 0.8 kg tennis ball is tied to a rope and is swung in a vertical circle. The circle has a radius of 0.56 meters. If it spins 20 times every 12 seconds, What is the tension in the rope at the bottom of the spin?

• 39.42 N
• 23.42 N
• 8.02 N
• 7.98 N