What is the acceleration due to gravity near the surface of earth

You drop a rock off a bridge. When the rock has fallen 4 m, you drop a second rock. As the two rocks continue to fall, what happens to their velocities? a. Both increase at the same rate. b.

When our brain fills in missing pieces, this is called

If a car on cruise control moves at a speed of 50 mi/hr for 3 hours, how far did they travel?

Which type (s) of electromagnetic radiation emitted by the Sun are absorbed by Earth's atmosphere and do not reach Earth's surface? A. long-wave radio waves, X-rays, and gamma rays B. short-wave radio waves and gamma rays C.

Atom in group 1 lose 1 valence and have

How are magnet'so magnetic force and magnetic field different

Ahmed saw all of these things as he walked to school this morning. Which one is an example of a force pushing downward toward the ground? A. A bird sat on a telephone wire. B. A woman moved her child from one place to another in a wagon. C.

What types of mediums are involved in the energy transfer

When two frequencies are added together, the beat frequency and the average frequency are an octave apart?

When sunlight strikes oil on the surface of water, a variety of colors are observed. What is the best explanation for this observation? A) Oil reflects the light and the lens of our eyes break it into component colors.