A cannonball is launched diagonally with an initial speed of 23.0m/s. Determine all unknowns.
initial speed: m/s
initial horizontal speed: m/s
initial vertical speed: m/s

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

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?

Which of the following characteristics is fixed, or definite, for all states of matter?