Answer:
28 m
Explanation:
v₀ = 23.4 m/s, g = -9.8 m/s²
at the peak v = 0
find h
v² - v₀² = 2gh
0 - 23.4² = 2(-9.8)h = -19.6 h
so h = 28 m
Answer:
B) 1:7
Explanation:
the question is asking for the ratio of the first gear to the second gear:
first gear:second gear=8:56
we can simplify this ratio:
8:56=1:7
so the correct option should be B
hope this helps
Underhand serve is a type of volleyball serve in which a player holds the ball with one hand and swings the other hand in an arc motion, striking under the ball with a fist to put it into play. An underhand serve is the most common serve for beginners.
C) Some of the light's energy is absorbed by the wall, and some of the light is reflected in different directions