There are many microscopes that can be used to view small objects. Which microscope would be best to view this structure?

a compound microscope
a transmission electron microscope
a scanning electron microscope
a scanning tunneling microscope

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?

Asher cycles 12 miles in 16 hours. what is his speed?

Which situation will produce the greatest change of momentum