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What happens to arc length as rotation angle increases?

What kind of quantity is torque?

For how long should a force of 50 N be applied to change the momentum of an object by 12 Kg.m/s ?

What is 1 radian approximately in degrees?

Which of these quantities is constant in uniform circular motion?

What is   in radians?

If l//m, find the values of x and y.  Show all work to include the equation, work for solution, and end answer. x = [8] y = [21]  

Find all missing angles. Show all work.

If l//m, find the values of x and y.   Show all work to include the equation, work for solution, and end answer. x= [16] y = [10]

Find all missing angles.  Show all work.