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Tcecarenko [31]
2 years ago
13

A stone is dropped down a well and hits the water 2.50 s later. What is the depth from the edge of the well to the water? 61.3,

12.3, 30.6
Physics
1 answer:
Gennadij [26K]2 years ago
5 0

Answer;

30.6 m

Explanation;

All objects accelerate at the constant rate in the Earth's gravitational field. The gravitational acceleration, g = 9.8 m/s².

Distance traveled by an object falling down under a constant acceleration will be given the formula;

s = ut² + 1/2(gt²); but u the initial velocity is o

thus;

S =1/2(gt²)

  = 0.5 × 9.81 × 2.5 ²

  = 30.65

  ≈ 30.6 m

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