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Power of a car weighing 1200kg is 134.05hp and its efficiency is 90%. How long will it take to raise of the car to 20m/s from
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Answers (4)
sorry that was a mistake in typing but the calculation is okay
1/4+1/3+1/2+7/12+3/4+5/6+1 =(3+4+6+7+9+10+12)/12 =51/12 =17/4 =4 1/4
Let side of square be=l Given, perimeter=36 ATQ 4l=36 l=36/4 l=9 i.e length of square garden is 9 so the number is=9*2 =18 Ans:18
P= mas here, m=mass a=accleration s=distance
