Answered: A falling stone takes 0.31 s to travel…

A falling stone takes 0.31 s to travel past a window 2.2 m tall. From what height above the top of the window did the stone fall?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 21PE: A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is 2.10104 m/s2,...

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Concept explainers

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

11.A falling stone takes 0.31 s to travel past a window 2.2 m tall. From what height
above the top of the window did the stone fall?

Expert Solution

Step 1

Newton's 2^nd and 3^rd equation of motion falling an object is defined as

$h = u t - \frac{1}{2} g t^{2} v^{2} = u^{2} - 2 g h$

Here, h is height, u is initial velocity, t is time, v is final velocity and g is the gravitational acceleration value 9.8 m/s².

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