wiz-icon
MyQuestionIcon
MyQuestionIcon
3
You visited us 3 times! Enjoying our articles? Unlock Full Access!
Question

A disc rotates about its axis with a constant angular acceleration of 4 rads2. Radial acceleration of a particle at a distance of 1 cm from the axis at the end of 1 sec is.

A
16cms2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
1.6cms2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
16ms2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1.6ms2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 16cms2

t = 1 sec, r = 1 cm = 0.01 m

α = 4 rds2

Therefore angular velocity at t= 1 second,
ω = αt = 4 rads

Therefore radial acceleration,

ac = ω2r = 0.16 ms2 = 16 cms2


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Rotational Kinematics
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon