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A balloon ascends with a uniform velocity of 3 m/s from the ground. At the end of 20 seconds, a particle is released from it. Find the time the particle takes to reach the ground.
4 years ago

Answers

R_scott
a free-fall equation ... h = 1/2 g t^2 + v0 t + h0

0 = -4.9 t^2 + 3 t + 60

use the quadratic formula to find t
4 years ago

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