Originally Posted by babygirl
A stone is thrown horizontally with an initial speed of 7.5 m/s from the edge of a cliff.
This can be replaced with "A stone is dropped from the edge of a cliff."
A stopwatch measures the stone's trajectory time from the top of the cliff
. . to the bottom to be 2.5 s. .What is the height of the cliff?
A horizontal initial speed has no effect on the stone' descent.
Malay's solution is absolutely correct . . .