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A superball and a clay ball are droped from a height of 10 cm above a table top. They have the same mass 0.05 kg and the same size. The superball bounces off the table and rises back to the same height. The clay ball sticks to the table. For the clay ball in the previous question, calculate the magnitude of the impulse exerted on the clay ball.
A shop sign weighing 245-N is supported by a uniform 155-N bean. Find out the tension in the guy wire, and the horizontal and vertical forces exerted by the hinge on the bean.
A satellite weighing 500 kg is in a circular orbit around the earth. It takes exactly 3 hours to go around the earth. what is the force of gravity on this satellite
question1a dockworker applies a constant horizontal force of 76.0n to a block of ice on a smooth horizontal floor. the
Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.65 105 Pa, Find the volume flow rate through the pipe
The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. find the speed of the lighter box
In a hydroelectric installation, a turbine delivers 1890 hp to a generator, which in turn converts 37.9% of the mechanical energy into electrical energy. Under these conditions,
For silver electrode (hint: click just below the word "cesium"), what is the highest energy of an electron ejected by light of 250 nm.
At the instant shown, the spring is unstretched and B is moving downward at 4 ft/s. Use conservation of energy to identify velocity of B when it has moved downward 2 ft from its current position.
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 220 m/s. Find the emf induced between the wing tips
A visual inspection of an insect with mass 0.4mg (milligrams) suggest that its uncertainty in postion is 0.5um, How fast could the insect be moving
A 28.0 g object moving to the right at 18.0 cm/s overtakes and collides elastically with a 9.0 g object moving in the same direction at 15.0 cm/s. Find the velocity of each object after the collision
With a 0.100 kg mass at 0.10 m and 0.200 kg mass at 0.95 m suspended on a meter stick, the postion of the support when balance is achieved is 0.620 m. Calculate sum of counterclockwise moments about the end of the meter stick
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