If an object is in free fall, what is the velocity of the object after 3 seconds?

When an electron move from a lower energy level to a higher energy level, the atom the atom does what

Which statement is true about acceleration? A. It is the rate of change of speed per unit time. B. It is the rate of change of displacement per unit time. OC. It is the rate of change of velocity per unit time. D.

What is the chance of getting an A gamete from an AA parent?

What type of climate has a heave precipitation and a hot temperature

How much heat would be needed to completely evaporate 43.5 g of boiling water at a temperature of 100 °C? Express your answer in units of joules.

A solid sphere of radius R has a total charge Q distributed evenly throughout its volume. What fraction of the total charge is located inside a radius R/2?

What is Nothing. (sorry i have been wondering this for a very long time)

What is the speed of a bobsled whose distance-time graph indicates that it traveled 123m in 28s?

Eric has a mass of 80 kgkg. He is standing on a scale in an elevator that is accelerating downward at 1.7 m/s2m/s2. What is the approximate reading on the scale?

Without the force of friction, people would not be able to walk.