Physics, 05.03.2021 20:20 jamilamiller200
A toddler pushed a 4-kg toy car at a constant speed against a ground frictional force of 8 N.
Then, the toddler pushed the toy car with the same force on a marble ground with no frictional
force against the toy car, what is the acceleration (in m/s2) of the toy car?
A. 0
B. 1
C. 2
D. 4
Answers: 2
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Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
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A toddler pushed a 4-kg toy car at a constant speed against a ground frictional force of 8 N.
Then,...
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