Question

A particle, situated in an object, moves with
angular acceleration of 6 rad/sec2 and with 2 V2
rad/sec angular velocity. If the radius of the
circular path is lm, its total acceleration in m/
sec2 will be -
(1) 1
(2) 100
(3) 10
(4) /10​

Answer 1

Explanation:

We have

a

n

=w

2

r=(2)

2

(1)=4m/s

2

a

t

=xr=(6)(1)=6m/s

2

a

net

=

an

2

+at

2

=

(4)

2

+(6)

2

=

16+36

=

52

m/s

2