Harper, 32.5 kg, is traveling at 12.5 m/s in the positive x direction. James, 28.2 kg, is traveling at 15.8 m/s in the positive y direction. They come together and grab hold of each other in a collision. What is the x component of their final velocity?What is the y component of their final velocity?

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?

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Which is not true about oxygen-17 and oxygen-18?