a fly wheel is rotating with an angular velocity of 2 rad/sec and acted by an acceleration of 1/π rad/s2 . how long will it take to complete three revolutions?​

Who was the first scientist to measure speed as distance over time?

If forces acting on an object are unbalanced. true or false

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.