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A rope is wrapped around a wheel of radius R=2.0 meters. The wheel is mounted with frictionless bearings on an axle through its center. A block of mass 14 kg is suspended from the end of the rope. When the system is released from rest it is observed that the block descends 10 meters in 2.0 seconds. What is the moment of inertia of the wheel? (hint-use energy conservation).
what is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph
what is the primary microscopic origin of the magnetic field of a magnetized piece of iron, Each atomic nucleus produces a magnetic field.
Two narrow slits are illuminated by a laser with a wavelength of 593 nm. Calculate the distance between the two slits
How to design atrium of a new building
Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.3 mm. What is the resistance ratio RA/RB , measured between their ends
Two .40 kg soccer balls collide elastically in a head on collision. The first l starts at rest and the second ball has a speed of 3.50 m/s after the collision, second ball is at rest. What is the final speed of the first ball.
Two identical diverging lenses are separated by 17 cm. The focal length of each lens is -5.8 cm. Determine the final image distance relative to the lens
How various g's of acceleration does the astronaut experience when the device is rotating at top speed? Each 9.80 m/s^2 of acceleration is 1 g.
A quantity of an ideal gas is contained in a balloon. Initially the gas temperature is 27°C, What is the new temperature of the gas
What is a density of the block
A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown. How long is the ball in the air
What is the coefficient of static friction among the coin and the turntable? Express your answer using two significant figures.
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