Answered: A ball is dropped (from rest) from a…

A ball is dropped (from rest) from a window and hits the ground with a speed of 5.5m/s. If the ball were dropped from double the height, what would be its speed (in m/s) when it hits the ground?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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

A ball is dropped (from rest) from a window and hits the ground with a speed of
5.5m/s.
If the ball were dropped from double the height, what would be its speed (in m/s)
when it hits the ground?

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Step 2: Representation of given situation.

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Step 3: Define Kinetic energy and Potential energy.

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Step 4: Calculation for initial height (h) using conservation of energy.

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Step 5: Calculation for the ball's speed when it is dropped from the new height (h')

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