4. What is a good definition for Period? O The height of a wave
O The distance between the high points of two waves
The middle-point of a wave

O The number of waves that occur every second
O The time it takes for one wave to go through one cycle

D

Explanation:

The time taken for a wave to complete one circle meaning time to reach the same successive crest or through of a wave.

chemical properties of thing

we're given that v₀ = 0 and a = 5.4 m/s². therefore, since v = at + v₀ for constant acceleration the equation for velocity is

after 28s,

m/s

which i would round to 150 m/s as my final answer