Aball is kicked from a location < 8, 0, -7> (on the ground) with initial velocity < -8, 19, -3> m/s. the ball's speed is low enough that air resistance is negligible.(a) what is the velocity of the ball 0.3 seconds after being kicked? (use the momentum ) what is the average velocity of the ball over this time interval? (c) use the average velocity to find the location of the ball 0.5 seconds after being kicked.
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Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?
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Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)
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Aball is kicked from a location < 8, 0, -7> (on the ground) with initial velocity < -8, 19...
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