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Question: 

An athlete performing a long jump leaves the ground at a $27.0^\circ$ angle and lands 7.80 m away.

  1. What was the takeoff speed?
  2. If this speed were increased by just 5.0%, how much longer would the jump be?

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

Quick Answer: 
  1. $9.72\textrm{ m/s}$
  2. $10 \%$

Giancoli 7th Edition, Chapter 3, Problem 28

(3:30)

Chapter 3, Problem 28 is solved.

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