Physics, 01.11.2019 01:31 vanessagallion
Glaunch to impact a ball, initially at rest and 1 meter above ground, is launched upward with a 500n force acting for 0.02 seconds. the ball flies vertically upward to a maximum height and falls back, sinking into the soft ground a distance of 2.0 cm. calculate the velocity after 0.01 seconds of force is applied, the maximum height if the force terminated when the ball was 2m above ground, the velocity of impact when it reached the ground and the average force exerted by the ground on the ball.
Answers: 2
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Calculate the kinetic energy of earth due to its spinning about its axis. krot = j compare your answer with the kinetic energy of the orbital motion of earth's center of mass about the sun. assume earth to be a homogeneous sphere of mass 6.00 1024 kg and radius 6.40 106 m. the radius of earth's orbit is 1.50 1011 m.
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Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
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Glaunch to impact a ball, initially at rest and 1 meter above ground, is launched upward with a 500n...
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