A student drops a rock from a bridge to the water 12.7 m below. with what speed does the rock strike the water? the acceleration

Question

3 years ago

15

of gravity is 9.8 m/s 2

1 answer:

kolezko [41] · Answer 1 · 2022-07-23T04:49:32+03:00

7 0

The rock strike the water with the speed of 15.78 m/sec.

The speed by which rock hit the water is calculated by the formula

v= $\sqrt{2gh}$

v= $\sqrt{2*9.8*12.7}$

v=15.78 m/sec

Hence, the rock strike the water with the speed of 15.78 m/sec.