Physics, 03.07.2019 16:30, arthurdolz
A20 kg sled carrying a 40 kg boy is sliding at 12 m/s on smooth, level ice, when it encounters a rough patch of snow. a) what is the initial kinetic energy of the boy and the sled? b) if the rough ice exerts an average opposing force of 540 n, in what distance does the sled stop? c) what work is done by the rough ice stopping the sled? ( show work! )
Answers: 1
Physics, 22.06.2019 05:30, 444x4gang4
Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is
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Physics, 22.06.2019 08:30, bollipard1183
Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.
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Physics, 22.06.2019 12:00, fryday2516
Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
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A20 kg sled carrying a 40 kg boy is sliding at 12 m/s on smooth, level ice, when it encounters a rou...
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