What is the net force required to give an automobile with a mass of 1,600 kg an acceleration of 4. 5m/s.

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?

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

How is the gravitational force related to the distance between two objects?