Physics, 10.01.2020 06:31 Superman2934
Abusy chipmunk runs back and forth along a straight line of acorns that has been set out between his burrow and a nearby tree. at some instant the chipmunk moves with a velocity of -1.15 m/s. then, 2.11 s later, it moves at a velocity of 1.63 m/s. what is the chipmunk's average acceleration during the 2.11-s time interval in m/s^2?
Answers: 3
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Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
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Abusy chipmunk runs back and forth along a straight line of acorns that has been set out between his...
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