An Alien race have perfected a means of transportation allowing individuals to move at 89.9% the speed of light through the universe. Suppose one of
these individuals sets out on a journey to the Andromeda Galaxy, which is
approximately 2.00 E 6 lt*yr away when measured from the Earth. How far apart will
the Milky Way Galaxy and the Andromeda Galaxy be as measured by the astronaut in
the ship?

Modify the equation fδt=δ (mv) to find the force of friction.

Can you match these to the correct definition

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation