Ms. Mayo challenged her students to build a pendulum that would hit a block of wood and move it. The group that moved the block of wood the farthest would win a prize. One group's experimental data is shown below. Ms. Mayo asked her students to present a line graph of their data. What label(s) should be written on the Y axis in this case?
mass of bob (g)
length of string (cm)
distance block moved (m)
meters per hit

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive) layer of a precious metal, such as silver or gold. in essence the metal object is made the cathode of an electrolytic cell in which the precious metal cations are dissolved in aqueous solution. suppose a current of 480.ma is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for 46.0 seconds. calculate the mass of pure silver deposited on a metal object made into the cathode of the cell. round your answer to 3 significant digits. also, be sure your answer contains a unit symbol. ×10μ

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?