A 1 kg ball has 10 joules of kinetic energy and starts to roll up a 300 meter hill. How far up the hill will it be when it stops?

Which of the following represents an upside-down image?

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2