A stone is thrown vertically upward with an initial speed of 19.5 m/s.It will rise to a maximum height of:
A)4.9 m
B)9.8 m
C)19.4 m
D)38.8 m
E)none of these

Question

Quizplus · Accepted Answer

Using the formula for maximum height: 
h = (v^2)/2g

Where: 
v = initial velocity = 19.5 m/s 
g = acceleration due to gravity = 9.8 m/s^2

h = (19.5^2)/(2 x 9.8) = 19.4 m

Therefore, the answer is C) 19.4 m.

A Stone Is Thrown Vertically Upward with an Initial Speed