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A copper ball with a radius of 1.7cm is heated until its diameter has increased by 0.17mm .Assuming an initial temperature of 23 degrees, find the final temperature of the ball.
two small plastic balls hang from threads of negligible mass. each ball has a mass of 0.14 g and a charge of magnitude
An ideal gas is in contact with a heat reservoir to that it remains at a constant temperature of 300.0 K. How much heat flows between the gas and the heat reservoir
A brass plate measures 30.0 cm by 40.0 cm. The coefficient of linear thermal expansion is 19.0 10-6/°C. what is the increase in the area of the plate
The current in a coil changes from 3.1 A to 1.9 A in 0.53 s. If the average emf induced in the coil is 15 mV, what is the self-inductance of the coil
A billiard ball of mass m = 0.25 kg strikes the cushion of a billiard table at ?1 = 58° and a speed v1 = 30 m/s. What is the magnitude of its change in momentum
An object of negligible mass has an instantaneous position of .6 AU from the sun, an instant. velocity of 25 km/s, a direction of motion of 30 degrees radially outward from the sun, and a semimajor axis of .38 AU. What is the orbital eccentricity?
suppose a large crate of 300kg is hung from a uniform steel beam of mass 100kg and 2 meters in length. what would be he initial angular acceleration of the beam
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time." what is the "hang time"
A mass attached to a spring oscillates with an amplitude of 18.0 cm; the spring constant is k= 17.0N/m. Find the value of the mass
Consider a thin, uniform rod of mass m and length L (and negligible other dimensions) lying on the x axis (from x=-L to 0). Derive a formula for the gravitational ?eld “g” at any arbitrary point x to the right of the origin (but still on the x-axi..
Assume that the speed of light in a vacuum has the hypothetical value of 7.32 m/s. In a pickup baseball game, who is standing at home plate
A car goes around a curve on a road that is banked at an angle of 31.5 degrees. What is the radius of the curve
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