Physics, 17.06.2021 18:20 multibeastpr
A box is being dragged across the floor at a constant speed by a rope pulling horizontally on it. Friction is not negligible. Identify all the forces acting on the box.
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Physics, 22.06.2019 06:00
What are atoms of the same element with varying number of neutrons
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Physics, 22.06.2019 20:40
Abasketball star covers 2.65 m horizontally in a jump to dunk the ball. his motion through space can be modeled precisely as that of a particle at his center of mass. his center of mass is at elevation 1.02 m when he leaves the floor. it reaches a maximum height of 1.90 m above the floor and is at elevation 0.910 m when he touches down again. (a) determine his time of flight (his "hang time"). (b) determine his horizontal velocity at the instant of takeoff. (c) determine his vertical velocity at the instant of takeoff. (d) determine his takeoff angle. (e) for comparison, determine the hang time of a whitetail deer making a jump with center-of-mass elevations yi = 1.20 m, ymax = 2.45 m, and yf = 0.750 m.
Answers: 1
A box is being dragged across the floor at a constant speed by a rope pulling horizontally on it. Fr...
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