A current of 250 amps is flowing through a copper wire with a resistance of

2.09 x 10^-4 ohms. What is the voltage?

What type of star has an absolute brightness of - 3 and a surface temperature around 20,000 °C? The HR diagram is shown with Absolute Brightness on the y axis from negative four to six and Surface Temperature on the x axis from 40,000 to 2,500

Charges may be blocked by: a. induction b. insulation c. reduction 4. conduction

Menciona un ejemplo de la vida cotidiana donde se apliquen las cuatro fuerzas fundamentales de la naturaleza.

Our 12 V car battery does not appear to be functioning correctly, so we measure the voltage with a volt meter and find that the voltage on the battery is only 9V.

One star that has run out of hydrogen

The frequency of the George Washington Bridge is 2.05 Hz. What is its period?

Is speed and average speed the same thing?

Explain constellations and galaxies in detail.

A vw bug is driving north on a striaght two lane road at a constant 38mph and a chevy impala is driving south at 29mph on the same road heading toward the vw bug (but in a different lane).

Ptolemy and Copernicus were astronomers who had proposed theories about the solar system. Ptolemy believed that the planets and the sun orbited Earth. Copernicus believed that Earth and other planets circled a stationary sun.