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Physics, 25.06.2019 05:50 avagymnast421
How does a sprinter sprint? how does a sprinter sprint? the sprinter pushes forward on the ground, which pushes her in the same direction (forward) on her. this is the only horizontal force on the sprinter, so she accelerates forward. the sprinter pushes backward on the ground, which pushes her in the same direction (backward) on her. this is the only horizontal force on the sprinter, so she accelerates forward. the sprinter pushes forward on the ground, which pushes back (backward) on her. this is the only horizontal force on the sprinter, so she accelerates forward. the sprinter pushes backward on the ground, which pushes back (forward) on her. this is the only horizontal force on the sprinter, so she accelerates forward.
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Physics, 22.06.2019 20:50
In a game of pool, ball a is moving with a velocity v0 of magnitude v0 = 15 ft/s when it strikes balls b and c, which are at rest and aligned as shown. knowing that after the collision the three balls move in the directions indicated and assuming frictionless surfaces and perfectly elastic impact (that is, conservation of energy), determine the magnitudes of the velocities va, vb, and vc.
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How does a sprinter sprint? how does a sprinter sprint? the sprinter pushes forward on the ground,...
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