Question

Zia was driving his truck on the super highway. His speed was recorded by the motorway camera between 6:00am to 8:30am. He covered a distance of 250km during this time. Calculate his average speed between this time duration.

Answer 1

Answer:

6:00 to 8:30 am = 2 1/2 hrs = 5/2 hrs

distance covered = 250km

$speed = distance covered / time taken$

$speed = 250km / 5/2 hrs$

$= 100 km/hr$

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Answer 2

The average speed is equal to 100 kilometre per hour

Explanation:

• The formula of average speed of a particular object is given below.

Average  speed = $\frac{total distance covered}{total time taken}$

Given,

• Total distance covered is equal to 250 kilometres.
• The total time taken between 6:00 a.m. to 8:30 a.m. is equal to 2 hours 30 minutes

Hence the average speed is equal to $\frac{250km}{2.5hr}$

= 250km/hr.

• Average speed is useful in determination of  the time required for completion of a particular journey

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