A wheel which is initially at rest is subjected to a constant angular acceleration about its axis. It rotates through an angle of 15^(0) in time t secs. The increase in angle through which it rotates in the next 20 secs is

A wheel which is initially at rest is subjected to a constant angular

1.	A wheel which is initially at rest is subjected to a constant angular acceleration about its axis. It rotates through an angle of 15^(0) in time t secs. The increase in angle through which it rotates in the next 20 secs is
Answer» `90^(0)` `120^(0)` `30^(0)` `45^(0)` Answer :B