At the bottom of the ocean, a rock has a mass 25 g. At sea level, the same rock will have a mass of: less than 25 g, more than 25 g, or the same as 25 g?

Radon, the radioactive gas that contributes more than half the yearly dose to the average American, has a half-life of approximately 4 days. How many days does it take a radon source to decay to 1/128 of its original level of radioactivity?

What is the farthest planet from earth?

The unit for momentum is which of the following? a. N b. kg-N c. kg-m/s d. All of these are units for momentum.

Why are frames of reference important for motion

What is energy? it's from my physics book

Charge 1 is - 30 μC, charge 2 is 5 μC, the distance between the charges is 8 cm, and they are located in a vacuum. If the third charge of 3 μC would be placed into position B, i. e.

For water vapor to turn back i to a liquid what do you do to it's temperature

How long will it take a car that is moving at 60 miles per hour to travel 120 miles?

Calculate the force required to give 380kg car an acceleration 10m/s square

A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 3.2 s later. If the speed of sound is 340 m/s, how high is the cliff?