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IceJOKER [234]
3 years ago
15

If a rock has a speed of 12 m/s as it hits the ground, from what height did it

Physics
1 answer:
grin007 [14]3 years ago
6 0

Answer:

To find the height the following formula should be used:  

v 2 = u 2 + 2aH

Explanation:

Assuming this occurs on earth,  a= 9.8 ms -2

 -2        2

12=0+2 x9.8 x H

144

_______ =H

2 x 9.8

H= 7.35m

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