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Speed vs Velocity

A car travels...

Question

A car travels the distance between Delhi and Karnal in $3 h o u r s$ . If the distance between the two towns is $120 km$ , what is the average speed of the car?

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Solution

Step 1: Given Data:
Distance between Delhi and Karnal, $= 120 k m$
Time taken to cover the distance between Delhi and Karnal, $t = 3 h o u r s$
Step 2: Calculation of average speed:
So, average speed of the car,
$A v e r a g e s p e e d = \frac{T o t a l D i s \tan c e}{T o t a l t i m e} = \frac{120 k m}{3 h o u r s} = 40 k m / h$
Hence, the average speed of the car $= 40 k m / h$

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