A fly wheel rotates with a uniform angular acceleration. Its angular displacement increases from 2 n radians to 10 n radians in 4s. The number of revolutions is this period _______.
A. 10
B. 12
C. 6
D. 5
Answer:B
A fly wheel rotates with a uniform angular acceleration. Its angular displacement increases from 2 n radians to 10 n radians in 4s. The number of revolutions is this period _______.
A. 10 B. 12 C. 6 D. 5