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# Rotational Kinematics

APPHMC-GBYFL1

An object is found to rotate with an angular velocity $\omega (t)=5t+3$ , where $\omega$ is measured in radians per second. The initial angular displacement of the object is zero.

Which of the following best corresponds to the angular displacement of the object after 5 seconds?

A

$28 rad/s$

B

$77.5 rad$

C

$5 rad/s$

D

$25 rad/s$

E

$50 rad/s$