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Express  all  answers  in  significant  figures and  scientific notation.    A   man  was  standing  on one  side  of  the  roof  of  a  building 145 meter above  the  ground and  shot  a  projectile with  an  initial  speed  of 53 m/s at  an  angle  of 30.0  degrees  with  the  horizontal.   Find: a)  the  time ( seconds)  it  took the  projectile to  hit  the  ground   b)  how   far (meter) away  from  the  base  of  the  building did  the  projectile  land?   c)  Find  the  vertical  and  horizontal  components  of  the  velocity (m/s)

Express  all  answers  in  significant  figures and  scientific notation.    A   man  was  standing  on one  side  of  the  roof  of  a  building 145 meter above  the  ground and  shot  a  projectile with  an  initial  speed  of 53 m/s at  an  angle  of 30.0  degrees  with  the  horizontal.   Find: a)  the  time ( seconds)  it  took the  projectile to  hit  the  ground   b)  how   far (meter) away  from  the  base  of  the  building did  the  projectile  land?   c)  Find  the  vertical  and  horizontal  components  of  the  velocity (m/s)

Principles of Physics: A Calculus-Based Text
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
Section: Chapter Questions
Problem 4CQ
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PHYSICS - PROJECTILE MOTION

 

Express  all  answers  in  significant  figures and  scientific notation. 

 

A   man  was  standing  on one  side  of  the  roof  of  a  building 145 meter above  the  ground and  shot  a  projectile with  an  initial  speed  of 53 m/s at  an  angle  of 30.0  degrees  with  the  horizontal.

 

Find:

a)  the  time ( seconds)  it  took the  projectile to  hit  the  ground

 

b)  how   far (meter) away  from  the  base  of  the  building did  the  projectile  land?

 

c)  Find  the  vertical  and  horizontal  components  of  the  velocity (m/s)

 

d)  what  is  its  velocity  in m/s

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