If a bullet of mass 25 g moving with a velocity of 200 m/s strikes a wall and goes out from the other side with a velocity of 100 m/s. Find
the work done in passing through the wall.

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

photocells convert light energy to electricity

force tends to be low and long diustance masses are high

no. bullets are macro objects. wave nature is for light waves, extremely tiny particles. if a light particle was the size of your finger, the bullet would be the size of the universe. so basically, that huge difference in size makes the wave nature of matter insignificant.