Problem 1 A reservoir of glycerin has a mass of 1,200 kg and a volume of 0.952 cu. m. find a.) weight b.) unit weight c.) mass density d.) specific gravity Problem 2 If an object has a mass of 22 kg at sea level, a.) what will be its weight at a point where the acceleration due to gravity g=9.75 m/s² b.) what will be its mass at that point? Problem 3 What is the weight of a 45-kg boulder if it is brought to a place where the acceleration due to gravity is 395 m/s per minute? Problem 4 What is the specific weight of air at 480 kPa absolute and 21°C? Problem 5 Find the mass density of helium at a temperature of 4 °C and a pressure of 184 kPa gage, if atmospheric pressure is 101.92 kPa. (R=2079 J/kg-°K) Problem 6 At 32°C and 205 kPa gage, the specific weight of a certain gas was 13.7 N/m³. Determine the gas constant of this gas. Problem 7 Air is kept at a pressure of 200 kPa absolute and a temperature of 30°C in a 500-liter container, what is the mass of air? Problem 8 What pressure is required to reduce the volume of water by 0.6 percent? Bulk modulus of elasticity of water, EB=2.2 GPa.