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A rock falls from a cliff and hits the ground at a velocity of 28m/s. How long did it take to fall?
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A rock falls from a cliff and hits the ground at a velocity of 28m/s. How long did it take to fall?

User Tarak
by
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1 Answer

2 votes

Answer:

2.8s

Step-by-step explanation:

=>a = v-u/t

=> t = v - u / t

= 28-0 / 10

= 2.8 s

User Trochee
by
5.3k points
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