Solve.
-When an object is dropped to the ground from a height of $h$ meters, the time it takes for the object to reach the ground is given by the equation $t = \sqrt { \frac { \mathrm { h } } { 4.9 } }$, where $t$ is measured in seconds. If an object hits the ground after falling for 5 seconds, find the height from which the object was dropped.
A) $24.5 \mathrm {~m}$
B) $1225 \mathrm {~m}$
C) $245 \mathrm {~m}$
D) $122.5 \mathrm {~m}$

Question

Quizplus · Accepted Answer

The Answer of Solve.
-When an object is dropped to the ground from a height of $h$ meters, the time it takes for the object to reach the ground is given by the equation $t = \sqrt { \frac { \mathrm { h } } { 4.9 } }$, where $t$ is measured in seconds. If an object hits the ground after falling for 5 seconds, find the height from which the object was dropped.
A) $24.5 \mathrm {~m}$
B) $1225 \mathrm {~m}$
C) $245 \mathrm {~m}$
D) $122.5 \mathrm {~m}$

Solve -When an Object Is Dropped to the Ground from a Height

Solve
-When an Object Is Dropped to the Ground from a Height