Medulla diameter: 69 microns cortex diameter 98 microns

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

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?