If I drop a watermelon from the top of one of the tower dorms at LSU, and it takes 3.34 seconds to hit the ground, calculate how tall the building is in meters and then convert into feet. Hint: 1 meter = 3.25 ft.

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?

Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.

Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency