A fly wheel is accelerated uniformly from rest and rotates through 5 rad in the first second. The angle rotated by the fly wheel in the next second, will be
A fly wheel is accelerated uniformly from rest and rotates through 5 rad in the first second. The angle rotated by the fly wheel in the next second, will be
Option 1 -
7.5 rad
Option 2 -
15 rad
Option 3 -
20 rad
Option 4 -
30 rad
-
1 Answer
-
Correct Option - 2
Detailed Solution:= 10 rad/sec2
(ln 2 seconds) =
Angle rotated by wheel in 2nd second
=
= 20 – 5
= 15 rad
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