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{:( "Column A"," ColumnB"),(A."Speed",a....

`{:( "Column A"," ColumnB"),(A."Speed",a."Uniform motion"),(B."Time",b."Non-uniform motion"),(C."Average speed",c."km h"^(-1)),(D."Uniform speed in a straight line",d."second"),("E. Freely falling body","e. Change in time period"),("F. Change in length of a pendulum","f".("Total distance")/("Total time")):}`

Text Solution

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The correct Answer is:
A, B, C, D
A-c km `h^(-1)` is a unit of speed .
B-d Unit of time is second.
C-f,c average speed = total distance coverd/ total time km `h^(-1)` is a unit of average speed.
D-a An object moving along a straight line with aconstant speed is said to be in uniform motion .
E-b Freely falling body is an example of non-uniform motion.
F-e Change in length of a simple pendulum results in change in its time period.
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