Aring contains 1.2 grams of diamond, the number of carbon atoms in the ring are
a) avogadro's no. / 10
b) avogadro's no.
c) avogadro's no. /2
d) 1.2 avogadro's no.

Which feature of a heating curve indicates a change ofn state

Aforce of 9.00 newtons acts at an angle of 19.0 to the horizontal. what is its component in the horizontal direction?

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?