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A person throws a rock down a well with an initial velocity of 2.10 m/s. The

g = 9.8 m/s ^2

V1 = 2.10 m/s

V2 ^2 = V1^2 + 2gd

d=vt

On picture![/B]

__of the rock striking the bottom__*sound**of the well is heard 4.22 seconds after the rock is thrown down. If the velocity of the rock just before it hits the bottom of the well is 41.0 m/s.*

What is:

a) The depth of the well

b) The time it takes for the rock to hit the bottom of the well

c) The temperature of the air in the well

DID I DO THIS RIGHT? CHECK MY WORK ON IMAGE.What is:

a) The depth of the well

b) The time it takes for the rock to hit the bottom of the well

c) The temperature of the air in the well

DID I DO THIS RIGHT? CHECK MY WORK ON IMAGE.

## Homework Statement

g = 9.8 m/s ^2

V1 = 2.10 m/s

## Homework Equations

V2 ^2 = V1^2 + 2gd

d=vt

## The Attempt at a Solution

On picture![/B]