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prohojiy [21]
4 years ago
8

On another planet gravity has a value of 5.5 m/s . If an object is dropped how long will it take to fall 53 m?

Physics
1 answer:
Nikolay [14]4 years ago
7 0

Answer:

4.4 seconds

Explanation:

Given:

a = -5.5 m/s²

v₀ = 0 m/s

y₀ = 53 m

y = 0 m

Find: t

y = y₀ + v₀ t + ½ at²

0 = 53 + 0 + ½ (-5.5) t²

0 = 53 − 2.75 t²

t = 4.39

Rounded to two significant figures, it takes 4.4 seconds for the object to land.

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