Bena thinks that dissolving more salt in water causes the mixture's freezing temperature to change. Which is the best type of scientific investigation for Bena to use to study this?

What is the best definition of gravity below? A force that opposes the motion of an object. The force 1 object exerts on another object. Speed in a given direction. A change in velocity over time.

Why are nuclear power plants controversial

Suppose we repeat the experiment from the video, but this time we use a rocket three times as massive as the one in the video, and in place of water we use a fluid that is twice as massive (dense) as water.

The common value for the speed of light in a vacuum is:

What three machines or devices depend of gravity to work?

A thin rectangular piece of wood floats in water. You slowly pour oil with a density equal to that of the wood on the surface of the water until the height of the oil above the water is twice the height of the piece of wood.

Calculate the force between a 0.05 C charge and a 0.03 C charge 2 meters apart.

Why might a plant that normally grows in one environment not grow well in a different one?

The gun, mount, and train car of a railway had a total mass of 1.22 x 10^6 kg. The gun fired a projectile that was 80 cm in diameter and weighed 7502 kg. In the firing, the gun has been elevated 20 degrees above the horizontal.

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?