Two cars are moving with speed of $15 k m / h r$ and $18 k m / h r$ . Find the distance between after $2 h r s$ them if they are moving in same direction

66 k m

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30 k m

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6 k m

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36 k m

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Solution

The correct option is C $6 k m$
Relative speed of car in same direction $= (18 - 15) k m / h r$
Time $= 2$ hr
$∴$ Distance two car covered in same direction
$=$ Relative speed $\times$ Time
$= 3$ km/hr $\times 2$ hr
$= 6$ km

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Two cars are moving with speed of 15 km/hr and 18 km/hr. Find the distance between after 2 hrs them if they are moving in same direction

The correct option is C 6 kmRelative speed of car in same direction=(18−15)km/hrTime=2hr∴ Distance two car covered in same direction=Relative speed × Time=3km/hr ×2hr=6km

Two cars are moving with speed of $15 k m / h r$ and $18 k m / h r$ . Find the distance between after $2 h r s$ them if they are moving in same direction

The correct option is C $6 k m$
Relative speed of car in same direction $= (18 - 15) k m / h r$
Time $= 2$ hr
$∴$ Distance two car covered in same direction
$=$ Relative speed $\times$ Time
$= 3$ km/hr $\times 2$ hr
$= 6$ km