Two snooker balls travelling in opposite directions are in a head on collision on the snooker table. a) if both balls have the same mass? b) the first ball has 3 x the velocity of the second, then what will be the state of the balls after the colision?

Determine the maximum r-value of the polar equation r =3+3 cos 0

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.