In the given figure, 15 ms-2 represents the total acceleration of a particle moving in the clockwise direction in a circle of radius R = 2.5 m at a given instant of time. The speed of the particle is
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya
a
4.5 m s-1
b
5 m s-1
c
5.7 m s-1
d
6.2 m s-1
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Here, a=15 m s-2R = 2.5mFrom fig,ac=acos30°=15×32 m s-2 As we know, ac=v2R⇒v=acR∴v=15×32×2.5=5.69≃5.7 m s-1