A catapult can project a projectile at a speed as high as 35.0 m/s. (a) If air resistance can be ignored, how high (in m) would a projectile launched at this speed rise if projected straight up? m (b) How long would the projectile be in the air (in s)?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
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A catapult can project a projectile at a speed as high as 35.0 m/s.
(a) If air resistance can be ignored, how high (in m) would a projectile launched at this speed rise if projected straight up?
m
(b) How long would the projectile be in the air (in s)?
S
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Transcribed Image Text:A catapult can project a projectile at a speed as high as 35.0 m/s. (a) If air resistance can be ignored, how high (in m) would a projectile launched at this speed rise if projected straight up? m (b) How long would the projectile be in the air (in s)? S Need Help? Read It
Expert Solution
Step 1

Given the speed of the projectile v=35.0m/s

(a) height of the projectile h=? 

we can calculate this by v2=u2+2as

when the projectile is on the maximum height the speed of the projectile will be 0 at that moment and acceleration will be acceleration due to gravity and the direction will be negative 

02=35.02+2(-9.8)hh=62.5m

so the projectile will go maximum height of 62.5m.

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