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A 2,100 kg car is lifted by a pulley. If the cable breaks at 4.50 m, what is the velocity of the car when it hits the ground? 88.0 m/s 9.39 m/s 8.36 m/s not enough information
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Jun 18, 2017
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A 2,100 kg car is lifted by a pulley. If the cable breaks at 4.50 m, what is the velocity of the car when it hits the ground? 88.0 m/s 9.39 m/s 8.36 m/s not enough information
Physics
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Enguerran
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v^2-u^2=2as
v=final velocity=unkown
u=initial velocity=0 m/s, because freely falling
a=acceleration due to gravity=9.8 m/s^2
s=distance (here height) traveled=4.5m
therefore the final velocity,
v^2=2*9.8*4.5
v=
9.39m/s
Art Haedike
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Jun 21, 2017
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Art Haedike
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