A copper wire of cross sectional area 2.0mm2 carries a current of 10A. How many electrons pass through a given cross section of wire in one second?

A 1.0*10^1. B 5.0*10^6. C 6.3*10^19. D 3.1*10^25

Why do you think it is a driving force of weather around the world?

You ride on an elevator that is moving with constant upward acceleration while standing on a bathroom scale. the reading on the scale is you ride on an elevator that is moving with constant upward acceleration while standing on a bathroom scale.

1) how is the sun able to produce nuclear fusion? 2) why is it so difficult to get fusion reactions to work?

Two objects are dropped from a bridge an interval of 1.0s apart. Air resistance is negligible. During the time that both objects continue to fall, their separation increases. Can someone explain why it increases, instead of staying constant?

15 Newtons of pull East, 9 Newtons of pull North

How does the brightness of a bulb tell you about the energy of electrons passing through it?

Why do you think sound travels faster in steel than it does in wood? (Hint: Think about the densities of the two materials, and how the particles might be arranged.)

On which body would a 100kg man have the least gravitational potential energy when lifted to a height of 3 meters

Which of the following factors can negatively affect development? a. Political corruption and instability b. Lack of resources c. Lack of education d. All of the above

A golf ball is hit with an initial velocity of 155 ft/s at an angle of 23 degrees with the horizontal. After 1.4 seconds, how far has the golf ball traveled horizontally and vertically?. a. 199.7 feet horizontally and 75.2 feet vertically. b. 60.