This equation indicates that the reaction gives off heat. What is this type of reaction called?

C3H8 + ? O2 → 3CO2 + 4H2O + heat

A.

synthesis reaction

B.

decomposition reaction

C.

endothermic reaction

D.

exothermic reaction

When kicking a football, the kicker rotates his leg about the hip joint. If the velocity of the tip of the kicker's shoe is 35.0 m/s and the hip joint is 1.05 m from the tip of the shoe, what is the shoe tip's angular velocity?

A rocket moves through outer space at 11,000 m/s. At this rate, how much time would be required to travel the distance from Earth to Moon, which is 380,000 km?

The force of gravity between two objects is directly proportional to which of the following? a. the volume of each object. b. the masses of each object. c. the velocity of each object. d. the distance between the objects squared.

What are the three scales used to measure temperature?

If you put a ballon in the freezer, what happens to the gas pressure in the ballon?

Is the muzzle velocity a scalar or vector quantity?

How many day does it take the sun to came out?

Using the word "more" to mean "I want another cookie" is an example of a (n) :

Ohm's law is I = V : R. What is the current of a circuit with a 3.0-volt battery and 1.0 ohm of resistance? The current of a circuit with a 3.0-volt battery and 1.0 ohm of resistance is (blank) amps.

Why do marine west coast climates have much precipitation