If two cars are moving towards North with the speeds 40 km/hr and 25 km/hr respectively, then their relative speed will be

5

km/hr

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15

km/hr

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25

km/hr

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35

km/hr

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Solution

The correct option is B $15$ km/hr
Here, the two speeds are $40$ Km/hr and $25$ km/hr.
$u = 40$ km/hr
and $v = 25$ km/hr.
Relative speed $= (u - v)$ km/hr.
$= (45 - 25)$ km/hr.
$= 15$ km/hr.
Hence, the relative speed of the two cars is $15$ km/hr.

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If two cars are moving towards North with the speeds 40 km/hr and 25 km/hr respectively, then their relative speed will be

The correct option is B 15 km/hrHere, the two speeds are 40 Km/hr and 25 km/hr.u=40 km/hrand v=25 km/hr.Relative speed =(u−v) km/hr.=(45−25) km/hr.=15 km/hr.Hence, the relative speed of the two cars is 15 km/hr.

The correct option is B $15$ km/hr
Here, the two speeds are $40$ Km/hr and $25$ km/hr.
$u = 40$ km/hr
and $v = 25$ km/hr.
Relative speed $= (u - v)$ km/hr.
$= (45 - 25)$ km/hr.
$= 15$ km/hr.
Hence, the relative speed of the two cars is $15$ km/hr.