1.

In the given figure, a 15 m/s2 represents the totalacceleration of a particle moving in the clockwisedirection in a circle of radius R - 2.5 m at a giveninstant of time. The speed of the particle is :-Ya(1) 5.7 m/s(2) 6.2 m/s(3) 4.5 m/s(4) 5.0 m/s

Answer»

ac = v^2 / R

15 cos 30° = V^2 / 2.5

V^2 = 32.73

V = 5.7 m/sec.



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