How much work is done on the rock by the rope
A 2 kg rock, tied to a 3 meter long rope, is spun around in a horizontal circle at 4 m/s. How much work is done on the rock by the rope as it goes around the circle one time at constant speed? (answers are in units of Joules)
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An oscillating LC circuit has a current amplitude of 9.80 mA, a potential amplitude of 276 mV, and a capacitance of 232 nF. What are: (a) the period of oscillation (b) the maximum energy stored in the capacitor
What is most nearly the amount of work done to overcome friction to slide the block a distance of 20 meters across this surface.
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The number of customers arriving per hour at a certain automobile service facility is assumed to follow a Poisson distribution with a mean of 5.6 customers per hour. What is the probability that there are at least 50 arrivals in an 8-hour shift?
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A sphere of diameter 100 mm, rotating at a rate of 286 rpm, is situated in a stream of water (15 degree C) that has a velocity of 1.5 m/s. Determine the lift force (in Newtons) of the rotating sphere.
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