Which feature of a heating curve indicates a change of state?

The average density of blood is 1.06 * 103 kg/m3. if you donate a pint of blood to the red cross, what mass of blood have you donated, in grams? (1 pt = 1/2 l, 1 l = 1000 cm3.)

How does density affect the behavior of an object in a liquid or a gas?

A tennis ball weighs 2 kg and is traveling at 10 meters per second. What is the tennis ball's kinetic energy? Find the exponent first and then solve 10 J 20 J 100 J 200 J

A small child has a wagon with a mass of 10 kilograms. The child pulls on the wagon with a force of 2 newtons. What is the acceleration of the wagon?

What is inertia? Discuss which object among the following sets has more inertia and why. a. a more massive object or less massive object. b. fast moving object or a slow moving object

Use combustion by moving pistons which respond to a change in pressure

If q1 is 2μC, q2 is 5μC and r1 = 0.2m, then the force between the charges is

On a weather map places that have the same temperature are joined with lines called

Which of the following generally speed up a reaction? A. increasing the activation energy B. removing any catalysts C. adding more heat D. shaking the container holding the reaction

Cual es el peso de 5L de un fluido que tiene una densidad 3.5 veces mayor que la del agua?