Q. The circular top of a can of soda has a radius of 0.029m. The pull-tab has an area of 4.13 10-4m2. The absolute pressure of the carbon dioxide in the can is 1.4 x10^5Pa. Find out the force that this gas generates?
Q. A worn shock absorber removes 4 % of the oscillatory energy of a car per oscillation. How many bounces or cycles elapse before 80 % of the car's energy is dissipated? What is Q-factor for this system?