It is possible for an object moving in a circular path to have a centripetal acceleration of constant magnitude AND be speeding up or slowing down.
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It is possible for an object moving in a circular path to have a centripetal acceleration of constant magnitude AND be speeding up or slowing down.
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- In a video game, a science-fictional “angry bird” is launched straight upwards by a high-velocity cannon from the surface of a planet far from Earth. The bird’s initial vertical velocity is 249 m/s (up). Ifgravity around this planet is a constant 11.2 m/s2, and the video game does kinematics correctly,how much time does it take the bird to reach the top if its trajectory?An astronaut is rotated in a horizontal centrifuge at a radius of 7.40 m. (a) What is the astronaut's speed if the centripetal acceleration has a magnitude of 5.80g? (b) How many revolutions per minute are required to produce this acceleration? (c) What is the period of the motion? (a) Number 20.51 Units m/s (b) Number 26.5 Units rev/min (c) Number 2.27 Units SA car drives around a circular track of diameter 83 m at a constant speed of 37.3 m/s. During the time it takes the car to travel 181 degrees around, what is the magnitude of the car s average acceleration? 16.76 m/s^2 21.22 m/s^2 0 m/s^2 33.53 m/s^2