1. At a local salon called Curl up and Dye a woman has mysteriously become ill. Earlier that day she was exposed to a hydrogen peroxide solution
containing 3% hydrogen peroxide. If she received 7mL of solution how
much of the solution was hydrogen peroxide? (2 marks)

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final