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A 6.43 kg ball is thrown upward with an initial speed of 14.34 m/s. Ignore air resistance when answering the following questions.
a) What is the ball's initial kinetic energy?
b) What is the ball's kinetic energy when it reaches its maximum height?
c) What is the ball's gravitational potential energy (relative to Earth's surface) when it reaches its maximum height?
d) What is the ball's maximum height?
e) What is the ball's kinetic energy just before it returns to your hand?
Assume the square wire loop is replaced with a smaller one, made of the same wire that is 0.02 m on a side, half as long as the original.
Two unequal point charges q1 and q2 are held in place unconnected from each other. A point charge Q is placed somewhere between them at a point where it remains stationary when free. From this observation, we can conclude that q1 and q2 must eithe..
A baseball outfielder throws a 0.150 kg baseball at a speed of 35.0 m/s and an initial angle of 26.0°. Illustrate what is the kinetic energy of the baseball at the highest point of its trajectory?
Give the force exerted on the bag, to validate your reply.
block 1 of mass m1 slides from rest along a frictionless ramp from height h = 3.2 m and then collides with stationary block 2, What is the value of distance d if the collision is elastic
A skier finds that she must give hersel a push to get started down ski slopes with angles less than 8 degrees. What is the coefficient of static friction between the skis and the snow
How many electrons should be transferred from the plate. When you enter your answer, leave off the unit rm dB.
A ship sails from seawater (specific gravity 1.025) into freshwater and therefore sinks slightly. find the combined mass of the ship and cargo before it was unloaded
The x-component of a velocity vector that has an angle of 31 degrees to the +x-axis has a magnitude of 4.9m/s. What is the magnitude of the velocity
A scuba diver at a depth of 42.0 m below the surface of the sea off shores of Panama City, where the temperature is 7 °C, releases an air bubble with volume 18 cm3.
You take the elevator to the roof of a midtown skyscraper that is 100 meters high. How far from the side of the buliding will it land
A sinusoidal wave is traveling along a rope. The oscillator that generates the wave completes 38.0 vibrations in 26.0 s, What is the wavelength of the wave
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