Vodka an alcoholic beverage is a 50-50 mixture of ethyl alcohol and water. If a person buys 50 liter of vodka at $8 per liter at -5 °C and sells it at $8 per liter at 40 °C. How much profit you will the person make. The volume coefficient of ethyl alcohol
and water are 7.5x 10-40c-1 and 2.1 x 10-4 0-1

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600