A boy Is it running with a kinetic energy of 810 J. If the boy has a mass of 80 kg what is his speed

What is the average speed for a car driving a distance of 186 meters to the north in a time of 28 seconds? a 6.64m/s b 9.15m/s c 3.64m/s d 7.64m/s e 9.64m/s

What force works against friction? Inertia Potential Kinetic

Is chlorine gas a compound

Many years ago, people believed that the sun rotated around the earth. Eventually, evidence was discovered that indicated this idea might not be accurate. What was the likely result of this discovery?

Which is physical change? A) Burning Wood B) Rusting metal C) Cooking an egg D) Freezing water

Electrical current is actually made of a. static charges. b. moving electrons. c. high or low voltage. d. resistance within a circuit.

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

Explain the difference between balanced forces and action and reaction forces.

Describe and apply Newton's Three Laws

If you do 1000j of work on a system and remove 500j of heat from it, what is the change in its internal energy