Who is the greek philisopher who came up with the idea that atoms exist

What are the types of unit

On a hot summer day in the state of Washington while kayaking, I saw several swimmers jump from a railroad bridge into the Snohomish River below. The swimmers stepped off the bridge, and I estimated that they hit the water 1.50 s later. a.

Describe a life cycle of a star

If I double the force acting on an object, how will this affect the acceleration of the object?

For slowly moving objects, the drag force in water is approximately proportional to the speed of the object. The Escherichia coli (E. coli) bacterium propels itself slowly through water by means of long, thin structures called flagella.

What do you think your weight would be if you were floating in space a long way from any planets? Explain your answer.

What is an example of a safe laboratory procedure

A ring, cylinder, solid sphere, and hollow sphere are all released from rest from the same height on an inclined surface, at the same time. All four objects have uniform density, have the same mass, same radius, and roll without slipping. 1.

One of the reasons it is important to keep our water supplies pollution free is potability. Water that is potable is A) polluted. B) oxygenated. C) fit to drink. D) unfit to drink.

3 forces that you exert when riding a bike