13th question ka 3rd aur 2nd part plz.
I have my exam tomorrow.
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V = 90 m/s
K.E = 1/2 mV^2
K.E = 1/2 •900•8100
= 3645000 kg.m^2/s^2
sum of all force acting on car should be less than force acting by engine
F > 2000 + mg
F > 2000+ 900×9.8
F> 10820 N
hence
Power = F•V = 10820× 90
= 973800 Kg•m^2•s-3
prerna16:
sorry but i git the answer earlier but thanks for ur help.
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