1 Type one to two paragraphs describing the changes in potential, kinetic, and
thermal energy of the cart at each of the four positions along the track.
Be sure to define your system.
Also include the positions of the cart where each form of energy is at its
maximum and minimum values.

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.