If the distance of the track is 100 cm and it takes the marble 5 seconds to go from beginning to end, what is the speed ?

Determine the reaction and balance the following equations urgent due in the morning

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?