Design a base insurance policy class, named Policy, to serve as the parent class for any type of insurance policy. Re-design the Auto, Home, and Life insurance policy classes from the previous lab as derived classes from this new base Policy class. Use your existing CommissionCalculator and driver classes from the previous lab. Note you do not need to modify these classes. The lab should execute exactly the same as the previous lab.

Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.

What is a monomer? how do they form a ploymer from the view point of chemical bonding?