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Grade: 11
        

Speed of 90 km/h when expressed in m/s is
(a) 2.5
(b) 25
(c) 250
(d) 90000
one year ago

Answers : (3)

SAHIL
3784 Points
							
HEY YOU CAN USE THIS TRICK
JUST MULTIPLY 90 WITH 5/18 SO YOU GET THE ANSWER AS 25
SO CORRECT ANSWER IS B} 25 m/s
Thanks
one year ago
YASWANTH
52 Points
							(B)25 that’s very simple km/h=1000m/3600s
10/36=0.277
90*0.277=24.9::25
one year ago
utpal raj
244 Points
							
multiply the 90 by 1000/3600
because 1km=1000m
and 1hr=3600second
means divide 90 by 5/18 
you get 25 as ans 
and unit will be m/sec
one year ago
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