What is the relationship between salinity and density

A train travels in a straight line at 18.0 m/s for 2 km, then at 30.0 m/s for another 2 km. Is the average speed greater than, less than, or equal to 25m/s

1. 1500j of work was done to move a box 20m. What force was applied to the box? 2. How much gravitational potential energy does a 165kg roller coaster car have when it is at the top of a hill 42 meters above the ground?

Calculate the force of friction for a 5kg aluminum block being pulled with constant velocity (uniform motion) across a horizontal steel plank ...?

What is causing the earth to be heated so unevenly

Equations of motion?

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.