11th grade
posted by neena .
a particle is completing 5 revolution per second in a circle of radius 6 cm.calculate its linear velocity and the centripetal acceleration acting on it.

11th grade 
bobpursley
change 5 rev to 10PI rad
w=10PI rad/sec
velocity=w*radius
centripetal acceleartion= w^2 * r 
11th grade 
Henry
C = 6.28*r = 6.28 * 6cm = 37.68cm/rev.
V = 5rev/s * 37.68cm/rev = 188.4cm/rev = Linear velocity.
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