Give one suggestion how to increase the velocity of water rocket?

What are the theoretical properties of a gas at a temperature of 0 kelvin?

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Compare the patterns of the two waves shown in the image. which statement is true about these waves?