A man drops a rock into a well. (a) The man hears the sound of the splash 2.24 s after he releases the rock from rest. The speed of sound in air (at the ambient temperature) is 336 m/s. How far below the top of the well is the surface of the water? (b) If the travel time for the sound is ignored, what percentage error is introduced when the depth of the well is calculated?

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A: Given: vx=3 m/svy = 2 m/svz = 3.31 m/st = 0.11 m

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A: Given, h=-16t2+v0t+h0

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: