Question

Help!!

The time t (in seconds) it takes an object dropped from a height h (in feet) to reach the ground is given by the function t = 1/4 √h.

HELP ME: A rock is dropped from a bridge 225 feet above the water. How long does it take the rock to reach the water?

Answer 1

replace h by 225 and use a calculator

Answer 2

3.75 seconds?

Answer 3

\[\frac{1}{4}\times \sqrt{225}=\frac{1}{4}\times 15=3.75\] yes!

Answer 4

Thank you!