what is the momentum of a 65 kg man riding a 1260 kg race car moving at a velocity of 10.5 meters/second

Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

If a simple machine reduces the strength of a force, what must be increased?