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A bicycle wheel has a diameter of 0.80 m and a mass of 2.0 kg.
(a) If the bicycle travels with a linear speed of 1.5m/s, what is theangular speed of the wheel?
(b) What is the angular momentumof the wheel? (Consider the wheel to be a thin ring.)
Imagine that we drop a block of mass m from a height h above the comparatively lightweight plate supported by a vertical spring with relaxed length L and spring constant k. From what value of h would we have to drop the block to compress spring to..
An engine absorbs 1.72 kJ from a hot reservoir at 277°C and expels 1.24 kJ to a cold reservoir at 27°C in each cycle. how much work is done by the engine in each cycle
One method for measuring the speed of sound uses standing waves. A cylindrical tube is open at both ends, and one end admits sound from a tuning fork. What is the speed of sound in the gas in the tube
In a graphing calculator, there are four AAA batteries, which together provide a potential difference of 1.5 V and a total of 6.0 W·h of energy. what was the average current through the calculator
photons of wavelength 65.0 pm are compton-scattered from a free electron which picks up a kinetic energy of 0.73 kev
Determine the capacity of a roll crusher. The separation is 7 mm, speed of the rollers is 50 rpm, roller diameter is 23 cm, roller length is 0.4 m
A non-ideal battery has an EMF of 24.0V when no current is drawn and a terminal voltage of 22V when a 10.0? resistors is put in series with the battery. What is the internal resistance of the battery?
a circular loop of wire of radius 6.0 cm has 10 turns and lies in the yz plane. it carries a current of 5 a in such a
While standing atop a building 50.7 m tall, you spot a friend standing on a street corner. Using a protractor and a dangling plumb bob, How far away from the foot of the building is your friend
what is the beat frequency heard when two organ pipes each open at both ends are sounded together if one pipe is 58 cm
calculate the overall magnification of a compound microscope that uses an objective lens with a focal length of 0.50 cm
A wedding ring is tossed into the air and given a spin, resulting in an angular velocity of 19.3 rotations per second, what is the diameter of the ring
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