A student drops a rock from a bridge to the
water 13.1 m below.
With what speed does the rock strike
the water? The acceleration of gravity is
9.8 m/s
2
.
Answer in units of m/s.

Respuesta :

v=gt. =. g times the square root of 2 times h/g =. The square root of 2gh. =. The square root of 2*9.8*13.1 = 16.023 m/s