A 40.0 kg ballet dancer stands on her toes during a performance with 25.0 cm2 in contact with the floor. What is the pressure exerted by the floor over the area of contact if the dancer is stationary

A cylinder has a height of 5.3 cm and a diameter of 3.0 cm. What is its volume

Marcia is given an incomplete chemical equation that includes the number of nitrogen atoms present in the products of the reaction. How can she conclude that the reaction started with three nitrogen atoms?

An atom of nitrogen has five valence electrons. How could a nitrogen atom become more chemically stable

Why is it correct to say that the linear electron flow of the light reactions directly captures energy in nadph but only indirectly captures energy in atp?

The turning radius of a car is 36 ft. what will be the distance in meters?

If the volume of a container increases, then the pressure will: A. first increase and then decrease. B. increase. C. stay the same. D. decrease.

How does the theory of natural selection explain the diversity of life?

What law states that when matter undergoes a physical or chemical change, no atoms are created or destroyed?

Which statement would be a valid argument in favor of using nuclear power? There are few negative impacts from mining the fuel. Reactors are safe from natural disasters. There are little to no waste products from fission.

How would you convince somebody that the momentum of an isolated system is constant?