Lili throws a ball to her friend Eric. The ball leaves Lili's hand a distance 2.00 meters above the ground with an initial speed of 18.0 m/s at an angle 30.0° with respect to the horizontal. Eric catches the ball 1.20 meters above the ground. What is the distance between Lili and Eric, in meters? Use g = 10.0 m/s2
Lili throws a ball to her friend Eric. The ball leaves Lili's hand a distance 2.00 meters above the ground with an initial speed of 18.0 m/s at an angle 30.0° with respect to the horizontal. Eric catches the ball 1.20 meters above the ground. What is the distance between Lili and Eric, in meters? Use g = 10.0 m/s2
Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section: Chapter Questions
Problem 1STP
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Lili throws a ball to her friend Eric. The ball leaves Lili's hand a distance 2.00 meters above the ground with an initial speed of 18.0 m/s at an angle 30.0° with respect to the horizontal. Eric catches the ball 1.20 meters above the ground. What is the distance between Lili and Eric, in meters? Use g = 10.0 m/s2.
Expert Solution
Step 1
Given data
The Lili's hand above the ground is DL = 2 m
The initial speed of the ball is u = 18 m/s
The angle of projection of the ball is = 30
Eric's hand above the ground is DE = 1.20 m
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