Please Help Me A person uses a match to light charcoal in a grill. Which statement describes a chemical property of the charcoal?
A. It is an electrical insulator.
B. It has a high boiling point.
C. It has a high temperature.
D. It is flammable.

1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value