The gravitational force between two objects is 2000 N. The mass of each object is reduced to one-third of its original mass.

How must the distance between the objects change to keep the gravitational force between them 2000 N?

Radar can be used to measure the distance from the sun to the earth. a) The speed of the wave is 3x10^8 m/s and the distance to the sun is 1.

How are airbags tested?

The density of a substance is the ratio of its mass to its volume. The formula for density is: D = mass/volume. If the density and the volume of a liquid are known, its mass can be found by A) adding its density to its volume.

Stars release lots of energy in the form of what kind (or kinds) of light? A. visible only B. invisible only C. both visible and invisible

how is your mindset related to your ability to embrace opportunities for self-improvement and learning?

Object moving at a constant velocity will always have a

Who would most likely agree that a child learns certain behaviors from observing other people?

A bullet is fired horizontally from a height of 78.4 m and hits the ground 2400 m away. With what velocity does the bullet leave the gun?

Select the correct answer. Two charged objects, A and B, exert an electric force on each other. What happens if the distance between them is increased? O A. The charge on B decreases. OB. The charge on B increases. OC.

You are riding a bicycle home from school. You average 5 meters per second and you are headed south. What motion can you determine from this data? OA Acceleration OB Distance OC Speed OD Velocity