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what average force is required to atop an 1100 kg car in 8.0 s if the...

what average force is required to atop an 1100 kg car in 8.0 s if the car is traveling at 72 mph?

determine the density of a 10.2 g sphere that has a radius of 5m.

if the height of the bannister was 5.68m, the time keepers reaction time was 0.2 s, and the time it took the ball to reach the ground was 1.25s. determine acceleration of gravity.



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