A rock is thrown straight up with an initial velocity of 15.0 m/s.Ignore energy lost to air friction.How high will the rock rise?
A)7.5 m
B)113 m
C)23.0 m
D)11.5 m
E)0.0871 m

Question

Quizplus · Accepted Answer

The maximum height can be calculated using the formula $ h = \frac{v^2}{2g} $, where $ v = 15.0 \, \text{m/s} $ and $ g = 9.8 \, \text{m/s}^2 $. Plugging in the values, $ h = \frac{(15.0)^2}{2 \times 9.8} = 11.5 \, \text{m} $.

A Rock Is Thrown Straight Up with an Initial Velocity