Science, asked by erenjaeger80, 21 days ago

A stone is dropped from a tower. What is the speed after it has fallen 62.5 m?​

Answers

Answered by ndsharma843
0

Explanation:

where is the time????????

Answered by DANISHDHYANI
1

Explanation:

u = Initial velocity = 0

v = Final velocity

s = Distance travelled = 20m

a = acceleration = g = 10ms

−2

Now , we know that from the equation of motion that ,

v

2

=u

2

+2as

v=

u

2

+2as

v=

0+2×10×20

v=

400

ms

−1

v=20ms

−1

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