E
Editor
Sep 18, 2022
The rear wheels of an automobile are rotating with an angular velocity of 14 rev/sec which is reduced to 38 rad/sec in 5 seconds when brakes are applied. Its angular acceleration is:
Difficulty: Easy
A:
5 $rad/sec^{2}$
B:
-10 $rev/sec^{2}$
C:
-10 $rad/sec^{2}$
D:
-5 $rev/sec^{2}$
ID: 63273db6ca83163ac3a0c30f