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A ball with a mass of 25 grams is dropped from aledge 908 meters above the ground. What is its kinetic energy theinstant before it hits the ground? What is the potential energy of the ball before it is dropped? use the ground as the referencepoint for zero potential energy.
A hockey puck Brests on a smooth surface of ice and is struck by a second puck A, Compute the speed of puck after the collision
Given a sphere of charge inside a conductor. The sphere has a radius of 5cm. Find the charge on the outisde of the conductor
A cube of metal has a mass of 0.569 kg and measures 3.09 cm on a side. Calculate the density and identify the metal
A hypodermic syringe has a piston area of 0.5 cm^2 and a needle with circular opening of diameter 0.2 mm. What is the gauge pressure in the syringe while pushing the piston with 1 N of force
A husband and wife take turns pulling their child in a wagon along a horizontal sidewalk. Each exerts a constant force and pulls the wagon through the same displacement. They do the same amount of work, but the husband's pulling force is directed ..
735 g of salt is placed into 400 mL of water and stirred thoroughly. How much salt dissolves into the water
The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion.
A space vehicle is coasting at a constant velocity of 15.1 m/s in the +y direction relative to a space station. find the direction of the vehicle's velocity relative to the space station
spy planes fly at extremely high altitudes (25.5 km) to avoid interception. what must be the minimum aperture of the camera lens to afford this resolution
Draw the circuit with the following criteria; double acting cylinder used for broaching holes into metal plates. The cylinder is 24" long mounted vertically, What is the minimum horsepower required by the prime mover
A ball is thrown vertically upward with a speed of 1.63m/s from a point 4.21m above the ground. What is the time at which it will reach the ground.
A 0.4 kg tennis ball is dropped from rest at a height of 3.6 m onto a hard floor. Over what time does the force act in bringing the ball to rest
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