Hey,can anybody say the answer for 11th question
I WILL MARK THAT ANSWER WHICH COMES FIRST AND OKAY TO ME AS BRAINLIEST!!!
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Approximately c) 214.28 km h-1
Step-by-step explanation:
The speed of the car at the first point is 10*20/3*20=200km/60 minutes
At the second point speed is 18*12/5*12=216km/60 minutes
At the third point the speed is 7*30/2*30 =210km/60 minutes
At the last point the speed is 15*15/4*15 =225km/60 minutes
The everage speed is( 200+210+216+225)/4 = 212.75
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