A 1.0 kg mass is attached to a string and moves in a horizontal circle with a radius of 1.0 m at a rate of 4.0 rev/s. a.) Find the centripetal acceleration of the mass.
b.) Calculate the magnitude of the centripetal force acting on the mass.
c.) What is the direction of the centripetal force?

Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?

Which branches of natural science include the study of an organism that lived 10 million years ago

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d