HELP AGAIN PLS
PHYSICS - I SUCK AT THIS

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

Why does some plastic stick to your skin?

A150 liter sample of dry air in a cylinder exerts a pressure of 3.00 atmospheres at a temperature of 25°c without change the temperature a piston is moved in the cylinder until the pressure in the cylinder is reduced to 1.00 atmospheres the volume of the gas