The circumference of a wheel is 6.25 metres
and it turns thrice per second. What time
will it take to travel 600 Km ?
Answers
Answered by
1
the frequency (rotations in one second) is 3
the radius of wheel is 6.25/2=3.125 meter
perimeter of wheel=2 \pi (3.125)2π(3.125)
lets say it take n rotations to travel 600m
2 \pi (3.125)n=6002π(3.125)n=600
therefore n=95.5 (app.)
as its frequency is 3
time taken is 31.83 s (app.)
sneha799:
why there is pi / and π
Answered by
1
Circumference of a wheel is 6.25 metres
since, it turns 3 times per second
Therefore, it will go 3*6.25 metres per second
equal to 18.75 metres
18.75 metres takes 1 second to travel
therefore,600 metres takes 1/18.75*600
equal to 32 seconds
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