Looks like B. Remember the sum is the sum of directions.
Please find attached photograph for your answer. Hope it helps. Please do comment
card games
board games
bird watch
write a song
make a game
count stuff
throw a ball with someone
play outside
Answer:
0.9 s
Explanation:
Given (vertical direction):
y₀ = 4 m
y = 0 m
v₀ = 0 m/s
a = -9.8 m/s²
Find: t
y = y₀ + v₀ t + ½ at²
(0 m) = (4 m) + (0 m/s) t + ½ (-9.8 m/s²) t²
t ≈ 0.9 s