What factors effect the amount of momentum of an object has?

In a neutral atom, the number of protons is what amount compared to the number of electrons? more than less than equal to

A black hole is a - an empty region of space with a huge gravitational field b - a small region that contains the mass of may galaxies c - simply the remains of a giant star that has undergone gravitational collapse

Is science open to change (can scientific therories change) if new evidence is presented

If you view a complete free body diagram of a moving object, what two apects of the body's motion will the diagram show?

A toy truck has a speed of 4 m/s and kinetic energy of 48 J. What is its mass? A. 8 kg B. 4 kg C. 6 kg D. 10 kg

2. When temperature increases, what happens to the molecules in a chemical reaction?

Mrs Garcia traveled 15 km in 1 hour. What was her average velocity in km/s?

If an atom of nitrogen binds wit three hydrogen atoms to form a molecule of ammonia, how many lone pairs of electrons does nitrogen have? A. One B. Three C. Four D. Five

Match the type of metamorphism to its best definition. Impact metamorphism ? The process in which a rock changes as a result of heat generated from magma. Dynamic metamorphism ? The process in which a rock changes due to pressure directed on it.

What is a perfect bounce in physics? Is it force? High School Physics, not middle school physics.