A 2kg ball on a string is rotated about a circle of radius 10m. The Maximum tension allowed in the string is 50N. what is the maximum speed of the ball​

Determine the maximum r-value of the polar equation r =3+3 cos 0

The total amount of energy contained in an object

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.