You are here

Question: 

A ball is thrown horizontally from the roof of a building 7.5 m tall and lands 9.5 m from the base. What was the ball's initial speed?

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

$7.7\textrm{ m/s}$

Giancoli 7th Edition, Chapter 3, Problem 20

(2:31)

Chapter 3, Problem 20 is solved.

View sample solution