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const2013 [10]
3 years ago
6

If you jump off a 7 m diving platform, how long will it take you to hit the

Physics
1 answer:
Allushta [10]3 years ago
3 0

Answer:

C.) T = 1.20s

Explanation:

From equation of motion,

S = ut + ½gt²

S = 7m

g = 9.8m/s²

U = 0m/s (since he starts from rest)

t = ?

S = ut + ½gt²

7 = 0 * t + ½ * 9.8 * t²

7 = 0 + 4.9t²

t² = 7 / 4.9

t² = 1.42857

t = √(1.42857)

t = 1.195s

t = 1.20s

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