Calculate the Kinetic energy of an object with a mass of 15kg while sitting on a shelf that is 20m high.

The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?