what minimum work is required to get the cylinder rolling without slipping at a rotational speed of 20 s−1 ?

What is the radius of the circular path ofa charged particle in a magnetic field?

How many times did thomas edison mess up the light bulb

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)