Answer:
≈ 2.1 m
Explanation:
Given
v = ← substitute v = 4.5
4.5 = ← square both sides
4.5² = 9.8d
20.25 = 9.8d ← divide both sides by 9.8
d = 2.0663 ≈ 2.1 m ( nearest tenth )
9.4m questions
12.2m answers
← substitute v = 4.5 ← square both sides