1) The coefficient of friction of the surface
2) The weight of that objects
The equation relates energy to mass
Answer:
The centripetal acceleration 
of an object moving in a uniform circular path is given by the following equation:
Where:
is the velocity
is the radius of the circle
A descriptive observation may very well be a mixture of both quantitative and qualitative as it can utilize elements of both types. Qualitative deals with the kinds of observations that cannot be measured in numerical form. Quantitative data is just that.
Waxed paper and frosted glass are NOT examples of transparent materials they are however translucent materials. A transparent material is something that you can see through so an example would be water.
