What is electric flux

A 63.4 kg high jumper has 1170 J of PE as he goes over the bar. How high is he? (Unit = m)

How did the work of several scientists contribute to the invention of the electromagnet?

Deimos, a moon of Mars, is about 12 km in diameter with mass 1.5*1015 kg. Suppose you are stranded alone on Deimos and want to play a one-person game of baseball.

Gneiss is a metamorphic rock that is formed when granite is subjected to extreme heat and pressure. This occurs in when: shallow seas evaporate mountains collide fossil sediments form layers magma cools and hardens underground

4. An electric iron has a power rating of 750W a. How many joules of electric energy does it change into heat energy every second? b. How many joules of work can it do in 3 seconds c. How long does it take the iron to do 1500J of work? 5.

A firefighter mounts the nozzle of his fire hose a distance 36.9 m away from the edge of a burning building so that it sprays from ground level at a 45° angle above the horizontal. After quenching a hotspot at a height of 8.

A force is applied to a 13.0 kg wagon to pull it down the sidewalk at a constant speed. The coefficient of kinetic friction is 0.65. Considering the resulting frictional force, what is the magnitude of the applied force?

What field (s) does a moving electron have? A. electric and gravitational fields B. magnetic and gravitational fields C. gravitational, electric, and magnetic fields D. electric field only

Copper has a specific heat of 0.385 j. A piece of copper absorbs 5000 J of energy and undergoes a temperature change from 100 Celsius to 200 degrees Celsius. What is the mass of the piece of copper?

I need to learn some interesting facts, any smart people out here?