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A uniform cylinder of radius 10 cm and mass 13 kg is mounted so asto rotate freely about a horizontal axis that is parallel to and3.2 cm from the central longitudinal axis of the cylinder. (a) What is the rotational inertia of the cylinder about the axis of rotation? (b) If the cylinder isreleased from rest with its central longitudinal axis at the sameheight as the axis about which the cylinder rotates, what is theangular speed of the cylinder as it passes through its lowestposition?
a 92 kg astronaut and a 1200 kg satellite are at rest relative to the space shuttle. the astronaut pushes on the satellite, obtain the initial distance from the shuttle to the astronaut
A yo-yo has a rotational inertia of 1140 g·cm2 and a mass of 81.3 g. Its axle radius is 3.27 mm, and its string is 106 cm long, translational kinetic energy, rotational kinetic energy
Three 100 ? resistors are connected as shown in the figure. The maximum power that can safely be delivered to any one resistor is 21.5 W. find the total power delivered to the combination of resistors
A projectile is fired horizontally from a gun that is 45.0 mabove flat ground. The muzzle velocity is 250 m/s. How long does the projectile remain in the air
For the infinite square well problem an electron spends 40% of its time in the n=3 state and 60% of its time in the n=5 state. What is the average energy of the electron
Two charges are positioned on the x axis. A charge of +4 ?C is located at x = 5 cm and a charge of +2 ?C is located at x = -5 cm. What is the direction of the electric field at the origin
A frictionless ramp is constructed so that it is at a 30 degree angle to the horizontal. It is 1.8 meters long and 0.9 meters high. A 4 kg block is released at the top of the ramp and slides down onto a frictionless horizontal surface where it hit..
One summer day, you decide to make a popsicle. You place a popsicle stick into a 9-oz glass of orange juice, How long does it take your popsicle to freeze
Starting from rest, a 40 kg body reaches a speed of 8.0m/s in 2s. Calculate the force acting on the body?
A storage tank has a diameter of 80 ft, a height of 25 feet, andcontains oil to a height of 15 ft. The suction pumps, whichcan handle 15, 000 bbl/d are started, but the safety valves areclogged and a vacuum is drawn in the tank. The roof is flatan..
if a car wheels are locked and the resulting skid marks are 150m long, how fast was the car going when the wheel became locked
The tub of a washer goes into its spin-dry cycle, starting from rest and reaching an angular speed of 4.0 rev/s in 13.0 s. Through how many revolutions does the tub turn during this 25 s interval
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