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Showing posts from September 6, 2014

Class 7 Science, Motion and Time - NCERT Solutions and CBSE Guide

CBSE Class VII, Chapter 13, NCERT Science Motion and Time      Key Words (Definitions of important Terms) ·     Speed: The distance covered by an object in a unit time is called its speed.                   Speed = (Total distance covered) ÷ (Total time taken) ·  Non-uniform Motion: If the speed of an object moving along a