A negatively charged object has?

If one ammeter read 2a what would the other one read

We have two noise generators: one gives 3 the other 4 V effective voltage. We form a new generator by connecting them in serial arrangement. Then the resultant voltage is 7V. How will this voltage change when we reverse the 4 V generator's polarity?

Two planets, planet A and planet B, have the same surface gravity. However, planet B has twice the radius of planet A. How does the mass of planet B compare to the mass of planet A? A) The mass of planet B is one-fourth the mass of planet A.

Can a observation be accurate but not precise?

An element's atomic number is 34. How many protons would an atom of this element have?

Why is the sky blue all the time

Where did the rotational kinetic energy of the earth come from?

What is the mass in kg of a leopard in a tree if the tree branch is 36 m up and the leopard's gravitational potential energy is 29988 J?

Venus's average distance from the sun is 0.72 AU and Saturn's is 9.54 AU. Calculate the orbital velocity of Venus and Saturn around the sun. (The mass of the sun is 1.99 X 10^30 KG. an AU is 1.50 X 10^11 M.

Caleb's parent drove him to a swim meet 208 km away. It took them 2 hours, which included a 15-minute break to refuel. What was their average driving speed?