Angular velocity of a particle moving in a circle of radius 50cm is increased in 5minute from 100round pm to 400round pm find angular acceleration and linear acceleration
Answers
Answered by
0
Initial angular velocity of particle is ω
1
=
60
200π
rads
−1
Final angular velocity of particle is ω
2
=
60
800π
rads
−1
angular acceleration α=
T
ω
2
−ω
1
where T is total time which is equal to 5×60=300sec
⇒α=
300
60
800π
−
60
200π
=
300
10π
=
30
π
rads
−2
Tangential acceleration of the particle a=αr
where r is radius of the circle, r=
2
1
m
⇒a=
30
π
×
2
1
=
60
π
ms
−2
Similar questions