What is magnum effect?

What is the period name of gold

How much work is needed to lift a 3 kg mass a distance of 0.75 m?

As air temperatures increase, evaporation increases. Warmer temperatures also increase the capacity to absorb water vapor. More water vapor in the atmosphere accelerates the greenhouse effect.

If Star A and Star B have the same absolute magnitude, but Star A is brighter, what does that tell us?

Why is hydroelectric power considered to be an example of multiple transfers of energy?

What is the electric potential of a 2.2 µC charge at a distance of 6.3 m from the charge? Recall that Coulomb's constant is k = 8.99 * 109 N • ___ V What is the electric potential at a distance of 99 m from the charge?___ V

what is a possible unit for the product VI, where V is the potential difference across a resistor and I is the current through the same resistor?

In old western movies, cowboys often would put their ear to a train track to listen for an oncoming train. What benefit would this method provide over listening for a train by listening for sound through the air? A) The sound would be louder.

What is meant by "reflecting" and "refracting" telescopes?

How would you find the speed of a ball thrown in to the air - it takes 6 seconds to get tho the top. The height is not given.