man was standing on one side of the roof of a building 145 meters above the ground and shot a projectile with O HO oti av. ta an initial speed of 53 m/s at an angle of 30° 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

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 76P: A small plane flies at 200 km/h in still air. If the wind blows directly out of the west at 50 km/h,...
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A man was standing on one side of the roof of a building 145 meters above the ground and shot a projectile with O HO oti av. ta an initial speed of 53 m/s at an angle of 30° 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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