Question

A jogger runs a total distance of 120 m in 20 sec. What is his speed?(A) 12 m/sec
(B) 6 m/sec(C) 2 m/sec
(D) 4 m/sec

Answer 1

$<b><u>Heya mate!!! Here's your solution.</u>$
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$\huge{Given}$

A jogger runs a distance of 120 m in 20 sec.

$\huge{To\: Find}$

The speed of the jogger.

$\huge{Solution}$

Firstly, speed (v) is a scaler quantity which is often defined as the distance covered by an object in unit time. We can find speed by dividing the total distance covered by an object by the total time taken.
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Now, in the question,

Distance covered (s) = 120 m

Time taken (t) = 20 sec

Hence,

Speed (v)

= s/t

= 120/20

= 6

Therefore, the speed of the jogger is -

$\boxed{\bold{\mathcal{\red{Option\: B\:-\:6\:m/s}}}}$
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$\huge{\bold{\blue{\mathfrak{Thank\: you}}}}$