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A tennis ball is struck such that it leaves the rackethorizontally with a speed of 28.0 m/s. The ball hits the court at a horizontal distance of 17.0 m from the racket. What is the height of the tennis ball when it leaves the racket?
Steam at 100 degrees C is added to ice at 0 degrees C. Find the amount of ice melted and the final temperature when the mass of steam is 13 g and the mass of ice is 48 g
The springs of a 1200 kg car compress 5.0 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what will be the frequency of vibrations
In an electric shaver, the blade moves back and forth over a distance of 2.0 mm. The motion is simple harmonic, with frequency 92 Hz. (a) Find the amplitude. mm (b) Find the maximum blade speed. m/s (c) Find the magnitude of the maximum blade acceler..
The balance wheel of a watch oscillates with an angular amplitude of n-rad and a period of 0.10 s. Find the maximum angular speed of the wheel
A resistor with R = 1.5 k? is connected to an AC generator that operates at 60 Hz with an amplitude of 49 V. (a) Find the amplitude of the current through the resistor. A
An idiot following a fire truck northbound up the side of the highway is going 70 mph while the fire truck is going 60 mph. What is the frequency heard by the idiot
An object is placed 1.5m in front of a mirror and you see an inverted image that is half the object size. How far and in what direction should you move the object
An automatic weapon can fire 68 bullets per minute at V = 290 m/s. If each bullet has a mass M = 40 g, what is the average force in N on the shoulder
question1a 575g air-track glider attached to a spring with spring constant 14.0 nm is sitting at rest on a frictionless
A football is kicked at ground level with a speed of at an angle of 35.0º to the horizontal. How much later does it hit the ground
Calculate the moment of inertia of each of the following uniform objects about the axes indicated. Consult Table Moments of Inertia of Various Bodies in the Textbook as needed. Part A A thin 2.00- rod of length 75.0 , about an axis perpendicular t..
A hoodlum throws a stone vertically downward with an initial speed of 12.0 m/s from the roof of a building,23.0 m above the ground. What is the speed of the stone at impact?
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