A 64-kg woman stands on frictionless level ice. She kicks a 2.0-kg ball giving it a...
A 64-kg woman stands on frictionless level ice. She kicks a 2.0-kg ball giving it a velocity of 30 m/s. What is the magnitude of the recoil velocity of the woman?
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A 64-kg woman stands on frictionless level ice. She kicks a
2.0-kg ball giving it a...
A 87.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity...
A 87.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 50.0 m/s. If both are initially at rest and if the ice is frictionless, how far (in m) does the player recoil in the time it takes the puck to reach the goal 12.0 m away?
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a...
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a velocity of 2 m/s 5 kg ball. Find the final velocity of each ball if the collision is inelastic? If the collision is elastic and the 10 kg ball comes to a complete stop, what is the final velocity of the second ball? 8. A woman stands at the center of a platform. She is holding a dumb-bell in each hand, and outstretched. The...
A person kicks a ball, giving it an initial velocity of 20.0 m/s up a wooden...
A person kicks a ball, giving it an initial velocity of 20.0 m/s up a wooden ramp. When the ball reaches the top, it becomes airborne. The ramp makes an angle of 22.0º to the ground, and the ball travels a distance of 5.00 m on the ramp. What is the maximum height the ball reaches, above the point where it was kicked, if (a) the ramp is frictionless and (b) there is a coefficient of friction of 0.150 between...
Emmy kicks a soccer ball up at an angle of 45° over a level field. She...
Emmy kicks a soccer ball up at an angle of 45° over a level field. She watches the ball's trajectory and notices that it lands two seconds after being kicked, about 20 m away to the north. Assume that air resistance is negligible, and plot the horizontal and vertical components of the ball's velocity as a function of time. Consider only the time that the ball is in the air, after being kicked but before landing. Take "north" and "up"...
If a 5-kg bowling ball is projected upward with a velocity of 2.0 m/s, then what...
If a 5-kg bowling ball is projected upward with a velocity of 2.0 m/s, then what is the recoil velocity of the Earth (mass= 6x10^24 kg).
A 70.0 kg archer, standing on frictionless ice, shoots a 200 g arrow at a speed of 100 m/s. What ...
A 70.0 kg archer, standing on frictionless ice, shoots a 200 g arrow at a speed of 100 m/s. What is the recoil speed of the archer? A 30 kg beaver is standing on the ice minding his own business. This same arrow travelling at 100 m/s bounces off the beaver, causing the beaverto slide across the ice at 1.2 m/s. What is the rebound velocity ofthe arrow? What percent of kineticenergy was conserved in the collision with the beaver?...
A child kicks a ball from on a flat level field. The initial velocity is 15...
A child kicks a ball from on a flat level field. The initial velocity is 15 m/s at an angle of 30* from the ground. Determine the distance along the field that the ball goes before it comes back to the ground.
a 5.0kg ball initially rests at the edge of a 2.0 m long, 1.2m high frictionless...
a 5.0kg ball initially rests at the edge of a 2.0 m long, 1.2m high frictionless table. a hard plastic cube of mass .5 kg slides across the table at a speed of 26 m/s and strikes the ball, causing the ball to leave the table in the direction in which the cube was moving. a) determine the total impulse given to the ball b) determine the horizontal velocity of the ball immediately after the collision c) determine the velocity...
A 87.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity...
A 87.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 50.0 m/s. If both are initially at rest and the kce is frictionless, how far (in m) does the player recall in the time it takes the puck to reach the goal 12.0 m away? m
A woman with a mass of 55 kg stands erect on a level ground. What is...
A woman with a mass of 55 kg stands erect on a level ground. What is the approximate magnitude and direction of vertical ground reaction force Fz applied by the person’s weight? The direction of the woman’s weight vector is defined as being negative. A. -540 N B. 540 N C. -121 lbs D. 540 N / 9.81 m/s2
A 87.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 50.0 m/s. If both are initially at rest and if the ice is frictionless, how far (in m) does the player recoil in the time it takes the puck to reach the goal 12.0 m away?
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a velocity of 2 m/s 5 kg ball. Find the final velocity of each ball if the collision is inelastic? If the collision is elastic and the 10 kg ball comes to a complete stop, what is the final velocity of the second ball? 8. A woman stands at the center of a platform. She is holding a dumb-bell in each hand, and outstretched. The...
Emmy kicks a soccer ball up at an angle of 45° over a level field. She watches the ball's trajectory and notices that it lands two seconds after being kicked, about 20 m away to the north. Assume that air resistance is negligible, and plot the horizontal and vertical components of the ball's velocity as a function of time. Consider only the time that the ball is in the air, after being kicked but before landing. Take "north" and "up"...
A 70.0 kg archer, standing on frictionless ice, shoots a 200 g arrow at a speed of 100 m/s. What is the recoil speed of the archer? A 30 kg beaver is standing on the ice minding his own business. This same arrow travelling at 100 m/s bounces off the beaver, causing the beaverto slide across the ice at 1.2 m/s. What is the rebound velocity ofthe arrow? What percent of kineticenergy was conserved in the collision with the beaver?...
A 87.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 50.0 m/s. If both are initially at rest and the kce is frictionless, how far (in m) does the player recall in the time it takes the puck to reach the goal 12.0 m away? m
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