A current of 310 amps is flowing through a copper wire with a resistance of 30 ohms. What is the voltage?

You throw a baseball directly upward at time t = 0 at an initial speed of 12.3 m/s. what is the maximum height the ball reaches above where it leaves your hand? at what times does the ball pass through half the maximum height? ignore air resistance and take g = 9.80 m/s2.

Abird sitting high in a tree is an example of what type of wnergy

Write down two additional questions about earth's magnetic field that will make your presentation more informative.