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A cannon ball is shot straight upward with a velocity of 77.50 m/s. How high is the cannon ball above the ground 4.30 seconds after it is fired? (Neglect air resistance.) How long does it take for the cannon ball to reach maximum height? What is the maximum height attained by the cannon ball?
A parallel-plate capacitor has plates of area A and separation d and is charged to a potential difference, find The inital and final stored energy
Identify three examples of 19th century Impressionist painting or sculpture and three Post-Impressionist works. Explain how the six pieces of art fall into these two styles.
A 240g ball and a 130g ball are connected by a 32 cm-long massless, rigid rod. The structure rotates about its center of mass at 150rpm.
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle, What is the mass of the wheel
A wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter ball and inducing an equal and opposite charge on the car. If a car has a 1000 kg mass and the ball is to be able to lift it from a distance of 1.00 m: (a) What minimum ..
What is the result of mixing 80g of ice at -20 degrees Celsius, into a 200g of water at 20 degrees Celsius? What fraction of the ice cube melts
Radioactive isotopes frequently occur together in mixtures. Assume a 400g sample contains, with a half-life of 12 days, and, with a half-life of 4.5 days. If there are firstly twice as many calcium atoms as there are barium atoms, what will be the ra..
A uniform disk has a mass of 3.7 kg and a radius of 0.40 m. The disk is mounted on frictionless bearing and is used as a turntable. What is the final angular momentum of the system
A floodlight with a mass of 46.00 kg is used to clarify the parking lot in front of a library. The floodlight is supported at the end of horizontal beam that is hinged to a vertical pole. A cable that makes an angle of 29 degrees with the beam is att..
A horizontal force of magnitude 34.5 N pushes a block of mass 4.09 kg across a floor where the coefficient of kinetic friction is 0.609. During that displacement, the thermal energy of the block increases by 39.3 J. What is the increase in thermal ..
In tae-kwon-do, a hand is slammed down onto a target at a speed of 13 m/s and comes to a stop during the 7.0 ms collision. What are the magnitudes of the impulse
The figure below shows a conducting rod sliding along a pair of conducting rails. The conducting rails have an angle of inclination of theta= 39.0 degrees. What is the rod's terminal speed?
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