Assume a 15 cm diameter wafer has a cost of $12, contains 84 dies, and has 0.020 defects/cm2 . assume a 20 cm diameter wafer that has a cost of $15, contains 100 dies, and has 0.031 defects/cm2 .

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.