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A large flywheel is mounted on a horizontal shaft and rotates at a constant rate of 1200 rpm. Experimental data indicate that the total force exerted by the flywheel on the shaft varies from 55 kN upward to 85 kN downward. Determine
(a) the mass of the flywheel,
(b) the distance from the center of the shaft to the mass center of the flywheel.
A stone is thrown vertically downward from a cliff 186.0-m tall. During the last half second of its flight, Find the initial speed of the stone
A uniform rod of mass M and length L can pivotfreely (i.e., we ignore friction) about a hinge attached to a wall,as in Fig. 8–54. The rod is held horizontally and thenreleased.
an empty parallel plate capacitor is connected between the terminals of a 13.9-v battery and charges up. the capacitor
at its perihelion in February 1986, comet Halley was 8.79*10^7 km from the sun and was moving at 54.6 km/s. What was its speed when it crossed Neptune's orbit in 2006
Roughly estimate how much faster you would tumble when compacted in a ball than you would when your body was extended and straight
A particle of mass m is placed on a frictionless horizontal table and attached by two identical massless spicral springs of natural length b and stiffness k, to two fixed points A and B on the table.
An athlete complete 1 round of a circular track in 40 seconds. What will be the distance covered and displacement at the end of 2 minutes 20 seconds.
A satellite mass 200 kg is launched from a site on earth's equator into an orbit 200 km above the earth's surface. Assuming a circular orbit, what is the minimum energy essential to be supplied in order to place the satellite in orbit from the surfac..
a heat engine takes in 1000J of energy from a hot reservoir and expels 750J of energy to the cold reservoir in each cycle find the efficiency of the heat engine
a soccer ball is kicked from the ground with an initial speed of 21.0 ms at an upward angle of 45deg. a player 58.0 m
Your friend's 1.41 gram graduation tassel hangs on a string from his rear-view mirror. Determine the tension in the string holding the tassel
A proton travels with a speed of 4.90106m/s at an angle of65°with the direction of a magnetic field of magnitude0.240T in the positivex-direction. What is the magnitude of the magnetic force on the proton?
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