kinetic energy?
Physics, 25.01.2022 16:40 magicalforlife
A football is thrown in the air. At
what point does it have the highest
kinetic energy?
A. When it hits the ground.
B. Just before it hits the ground.
C. Just after it starts to fall.
Answers: 1
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The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
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On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 3.00 m/s.(a) what are the magnitude and direction of the velocity of the red glider after the collision? (b) is this collision elastic?
Answers: 1
A football is thrown in the air. At
what point does it have the highest
kinetic energy?
kinetic energy?
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