A quantity of gasoline injected into car engine has a potential energy of 100J. All of this energy is not converted into useable work because

Adolescents require fewer hours of physical activity than adults.

What is the proton-proton chain reaction? Describe this process

In the steps of the scientific method, what is the next step after formulating and objectively testing hypotheses? A. interpreting resultsB. stating conclusionsC. conducting experimentsD. making observations and collecting data

An objects speed is 7.20 m/s and its momentum is 360kg•m/s. what is the mass of the object

Do you think the government should eencourage more aquaculture, the use of new fish species, or both? explain

Choose all the answers that apply. The sun: - is the largest star in our solar system - is the largest star in our galaxy - is made mostly of hydrogen and helium -will eventually run out of fuel and die -creates energy through nuclear reactions

Calculate the kinetic energy of a truck that has a mass of 2900kg and is moving at 55m/s.

In the calorimetry experiment which energy will be calculated during the heat exchange if water is used?

A turtle, moving at a constant velocity of 0.9 m/s due south, is in a race with a rabbit, who runs at a moderate speed of 9 m/s.

What might cause a theory to change over time?