18 15쁘 559.70 20m

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1.) From the roof top of a 5m-high apartment, Lee saw a zombie 20 m away. Luckily there is a wall nut blocking it. If Lee kicked his ball horizontally at a speed of 18 m/s, will the ball reach the zombie? Justify your answer and show your solution. 
 
1.1.) Suppose he decided to kick the ball from the ground with a speed of 15 m/s, at 59 degrees above the horizontal, can he hit the zombie? Justify your answer and show solution to support it.

1.2.) If your answer is 1.1 is yes, solve for the time it will take the ball to hit the zombie, otherwise solve the required speed the ball must be kicked to reach the zombie.

5m
15m
59.7°
20m
Transcribed Image Text:5m 15m 59.7° 20m
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