# An object with a mass of #3 "kg"# is traveling in a circular path of a radius of #2 "m"#. If the object's angular velocity changes from #1 "Hz"# to #18 "Hz"# in # 5 "s"#, what torque was applied to the object?

##### 1 Answer

Jan 20, 2016

Only the average torque can be calculated, which is

#### Explanation:

The angular inpulse is given by

If you are asked to find torque, you must assume that the angular acceleration is constant. In that case, the torque is given by