What is the displacement of the particle in the time interval 7 seconds to 8 seconds? ОА
O meters
ОВ.
1.5 meters
OC 3 meters
OD. 7 meters

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?

An object is kept at 45 m high and how much time will it take to reach the ground