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To make a bounce pass, a player throws a 0.50 kilogram basketball toward the ground. The ball hits the ground with a speed of 5.6 m/s at an angle of 69 degree to the vertical.
If the ball rebounds with the equivalent speed and angle, find what was the impulse delivered to it by the ground?
J=__________________________kg*m/s
A car is driven east for a distance of 51 km, then north for 30 km, and then in a direction 31° east of northfor 29 km. Draw the vectordiagram and determine the total displacement of the car from its starting point.
The mass of a robot is 5420 kg. This robot weighs 3670 N more on planet A than it does on planet B. Both planets have the same radius of 1.33 x 10^7 m. What is the difference MA - MB in the masses of these planets?
Two boxes are connected by a cord running over a pulley, Calculate the tension in the cord and Calculate the acceleration of the system
A 20kg sled, initially at rest, slides down a hill, which is 20m tall. what is the speed of the sled at the bottom of the hill
One of the problems of in-air testing of nuclear weapons (or, even worse, theuseof such weapons!) is the danger of radioactive fallout. what is the daughter nucleus
a single resistor is connected across the terminals of a battery. which one or more of the following changes in voltage
A 5.00 kg block rests on a horizontal plane. A force of 10.0 N applied horizontally causes the block to move horizontally at a constant velocity. What is the coefficient of kinetic friction between the block and the plane?
A 750 air-track glider attached to a spring with spring constant 10.5 is sitting at rest on a frictionless air track. What is the amplitude of the subsequent oscillations
A professor's office door is 0.99 m wide, 2.2 m high, 4.2 cm thick; has a mass of 27 kg, and pivots on frictionless hinges. what is its angular acceleration immediately afterward
Aluminum has a density of 2.70 g/cm3. We would like to make aluminum foil that is 96 micrometer thick, how many meters long of an aluminum foil can we make
Two small identical conducting spheres are placed with their centers 0.78 m a part, The spheres are connected by a conducting wire, What is the electrostatic force between the two after equilibrium is reached
A point source emits 27 W of sound. A small microphone intercepts the sound in an area of 0.63 cm2, 289 m from the source. Calculate the power intercepted by the microphone in Watts
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