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.. 4.5 A hockey player uses his hockey stick to push a 0.011-slug hockey puck from rest to 300 ft/s with a force of 100 lb. For how long does the stick remain in contact with the puck, and over how much distance does he push the puck with the stick? Assume the ice is frictionless.

.. 4.5 A hockey player uses his hockey stick to push a 0.011-slug hockey puck from rest to 300 ft/s with a force of 100 lb. For how long does the stick remain in contact with the puck, and over how much distance does he push the puck with the stick? Assume the ice is frictionless.

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mass 0.143 kg is traveling rightward at 52.0 m/s when it is caught in the catcher's mitt. Once inside the mitt, the ball comes to a stop in 0.15 seconds. (a) What is the magnitude and direction of the force delivered by the mitt to the ball? sup (b) How deep of an indentation does the ball make in the mitt? eme pus 4.5 A hockey player uses his hockey stick to push a 0.011-slug hockey puck from rest to 300 ft/s with a force of 100 lb. For how long does the stick remain in contact with the puck, and over how much distance does he push the puck with the stick? Assume the ice is frictionless. .. 4- cable . 4.6 A hockey player uses his hockey stick to push a 0.011-slug hockey puck from rest with a force of 100 lb. If the stick remains in contact with the puck over a distance of 0.5 feet, with what speed does the hockey puck leave the stick? For how much time does he push the puck with the stick? Assume the ice is frictionless. (a) (b) I 4.7 Four students push a car for a distance of 10 m, each supplying a force of 13 N. How much (total) work do the students do? (c) If fo (d) If 1 4.8 A horse pulls forward on a wagon with a force of 200 N. The wagon moves forward a distance of 20 m in 30 s. mu (e) If ta (a) How much work does the horse do? forc
Transcribed Image Text:mass 0.143 kg is traveling rightward at 52.0 m/s when it is caught in the catcher's mitt. Once inside the mitt, the ball comes to a stop in 0.15 seconds. (a) What is the magnitude and direction of the force delivered by the mitt to the ball? sup (b) How deep of an indentation does the ball make in the mitt? eme pus 4.5 A hockey player uses his hockey stick to push a 0.011-slug hockey puck from rest to 300 ft/s with a force of 100 lb. For how long does the stick remain in contact with the puck, and over how much distance does he push the puck with the stick? Assume the ice is frictionless. .. 4- cable . 4.6 A hockey player uses his hockey stick to push a 0.011-slug hockey puck from rest with a force of 100 lb. If the stick remains in contact with the puck over a distance of 0.5 feet, with what speed does the hockey puck leave the stick? For how much time does he push the puck with the stick? Assume the ice is frictionless. (a) (b) I 4.7 Four students push a car for a distance of 10 m, each supplying a force of 13 N. How much (total) work do the students do? (c) If fo (d) If 1 4.8 A horse pulls forward on a wagon with a force of 200 N. The wagon moves forward a distance of 20 m in 30 s. mu (e) If ta (a) How much work does the horse do? forc
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