What is one kg mass.

During the process of cellular respiration water becomes oxygen

Which of the following factors determines the strength of the frictional force between two surfaces

A small electric motor produces a force of 5 N that moves a remote-control car 5 m every second. How much power does the motor produce? Give your answer in watts and horsepower.

Leaf->Ant->Anteater->Crocodile is an example.

How much energy is produced when the sun converts 1kg of mass into energy?

A horizontal line on a phase-change graph indicates

How many Joules in 41.87 kcal?

A cyclist travels for 30 min with an average speed of 10km/h. How far does she travel?

All of the following statements about protons are true except? a) protons carry a positive charge b) protons are found in the nucleus of an atom. c) protons cicle the nucleus of an atom d) protons have a mass of 1 amu.

What forces were exerted during the air resistance experiment?