Magnitude of the centripetal acceleration of the car problem
A car travels at a constant speed around a circular track, whose radius is 2.6 km. The car goes once around the track in 360s. What is the magnitude of the centripetal acceleration of the car?
a) 0.79m
b) 0.79m/s
c) 0.79 s
d) 0.79m/s
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How fast is the gyroscope precessing, in units of rad/s, if the disk is spinning around the axle at 28 rev/s?
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The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation of 15 days. Find the probability of a pregnancy lasting 307 days or longer
If the exit temperature of hot air is 30 deg C determine the exit temperature of cold water. (use constant specific heats at room temperature.)
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