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A 214.3 kg satellite is in a circular orbit of 26,273 miles (42,300,000

m) in radius. The force keeping the satellite in orbit is 42.3 N.What is the velocity (speed) of the satellite?


A 0.12 kg bullet traveling at 525 m/s hits a 3.9 kg block of wood and stays in the wood. What is the velocity (speed)of the wood block immediately after the bullet hits it?



The catapult on an aircraft carrier can take an aircraft from 0 to 180 mph in 7 seconds, at which time the aircraft launches.Express the launch speed in SI units (meter-kilogram-second system - not km/hr).

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100% (5 ratings)
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