9 Calculate the centripetal force of a ball on a string in circular motion if the mass is 7 kg
traveling at 3 m/s and the radius of the string is 4 meters. *
(1 Point)
11 N
14 N
16 N
25 N
10

A50.0-n box is sliding on a rough horizontal floor, and the only horizontal force acting on it is friction. you observe that at one instant the box is sliding to the right at and that it stops in 2.25 s with uniform acceleration. what magnitude force does friction exert on this box

Which transition by an electron will release the greatest amount of energy? oa ob oc od

What is the temperature in degrees celsius of a substance with a tempature of 49k