1. A block with mass of 10 kg, is launched at a rate of 10 m/s above a flat plane. The beam stopped after covering a distance of 22 m. Determinecoefficient of kinetic friction betweenthe flat plane and block

2. A 70 liters steel tank , filled to the top withgasoline at 20 C. When the temperature of the tank and gasoline rises to 40 C, how much gasoline spills out of the tank.coefficient of volume expansion of gasoline: 950x10-6/C.coefficient of linier expansion ofSteel 12x10-6/C.