

MCQOPTIONS
Saved Bookmarks
1. |
The moment of inertia of a body about a given axis is 1.2kgm2. Initially, the body at rest. In order to produce a rotational kinetic energy of 1500 joule, an angular acceleration of 25radian/sec2 must be applied about the axis for duration of ___________ |
A. | 4s |
B. | 2s |
C. | 8s |
D. | 10s |
Answer» C. 8s | |