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Speed

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statistics

by Dr. Osama M. Khaled — last modified 2022-07-19T04:22:31+00:00

Speed is a very important concept in physics to explain one of the most important characteristics of moving objects.

$Speed$

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Speed is

The change in speed divided by the time it takes to make the change

The distance travelled divided by the time of travel

The distance travelled divided by the time of travel in a specific direction

The force by which a planet or other body draws objects toward its centre

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Speed is usually represented by symbol

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Given symbols v = speed, d = distance, and t = time then speed equation is

v = d / t

d = v * t

t = d / v

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If a giraffe runs for half an hour at a speed of 5 kilometres per hour, what distance does it cover?

2 kilometres

2.5 kilometres

10 kilometres

1/2 kilometres

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What is the average speed of a turtle in inches/minutes covering 250 inches in 2.5 hours?

2 inches/minute

1.6 inches/minute

100 inches/hour

1.6 inches/hour

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Your child baby started walking. He walks some steps and can cover 0.3 meters per second. How far can the baby go after 15 seconds?

0.02 meters

5 meters

50 meters

4.5 meters

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Calculate time taken to travel from Geelong city to Seymour

Johny drove from Geelong to Melbourne a distance of 75 KM with an average speed of 80 KM/H

He then resumed his trip to Seymour a distance of 112 KM with an average speed of 70 KM/H

What is the total time taken to travel from Geelong to Syemour?

Note: approximate calculation to the first 2 decimal points

2 hours

3 hours

2.54 hours

3.5 hours

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