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A jet fighter flying at 300 m/s (just below the speed of sound) makes a turn of radius 2.65km.
(a) What is its centripetal acceleration in gs?
(b) Suppose the pilot makes an emergency turn to avoid an approaching missile, subjecting himself to a centripetal acceleration of 10 gs, while flying at 490 m/s (supersonic). What is the radius of his turn? (This must be short-lived because fighter planes can only briefly endure such large accelerations without serious damage, and the pilot will soon black out at 10 gs.)
A particle with an initial linear momentum of 2.86 kgm/s directed along the positive x-axiscollides with a second particle, which has an initial linearmomentum of 5.72 kg · m/s, directedalong the positive y-axis.
my refrigerator has cop of 5.00. its power input is 615W . A sample of mass of water is 500 g and temp of 20C is placed into the freezer. determine the COP of the fridge
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