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Grade: 11

                        

What happens to the centripetal acceleration of a revolving body if you double the orbital speed v and half the angular velocity ? Explain?

3 years ago

Answers : (2)

prateek
74 Points
							
centripetal accleration = linear velocity^2 \radius
radius x angular velocity = linear velocity
then
V=2v
R=r\4
putting in formula we get
acceleration increases by 8 times
3 years ago
Pratyush Ranjan Roul
19 Points
							
v2=2v  w2=w/2
but r = v/w,
r2=v/w2 =2v/(w/2)= 4v/w = 4r
a2=(v2)2/r2
a2=4v2/ 4r
So, acceleration is unchanged
 
3 years ago
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