2. A ball is dropped from rest. The acceleration due to gravity is 10m/s? and the time it takes for the ball to reach the ground is 5 seconds. What was the velocity of the ball just
before it hits the ground

STEP BY STEP

V = S/T

V= 10/5

V = 2 m/s

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

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