Q. A 240 g block on a 44 cm long string swings in a circle on a horizontal, frictionless table at 72 rpm. What is the speed of the block?
Q. A cylinder with a moveable piston contains 178 mL of nitrogen gas at a pressure of 1.22 atm and the temperature of 298 K. What should the final volume be for the pressure of the gas to be 1.52 atm at a temperature of 335 K?