question 8..(which appears 2 )
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speed=dist/time
speed=8km/h=8×5/18=2.22m/s( the ans. is too long so I have taken it up to 2 decimal)
so, 2.22=2πr/time
2.22 time= 2×22/7×21
2.22 time= 132
time =132/2.22
=59.4s or 59.45 s
speed=8km/h=8×5/18=2.22m/s( the ans. is too long so I have taken it up to 2 decimal)
so, 2.22=2πr/time
2.22 time= 2×22/7×21
2.22 time= 132
time =132/2.22
=59.4s or 59.45 s
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PeehuChouksey:
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the method is same as I have done it in the pic , but it's only that i have taken speed as 2.22 m/s instead of 2.22
instead of 2.2*
pls mark...
option is not coming
wait
ooooo
did the option didn't come till now?
marked as a brainliest
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