Science, asked by bnsjsjskwknskdlkXbdk, 11 months ago

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Answered by AditiShakya
1

Answer:

a)66m

b)42m

c)132m

d)0m

Explanation:

a) distance is half of circumference of circle

therefore,

distance= πr =22/7×21

= 66m

b) distplacement is diameter of circle

=2×21=42m

c)Twice distance in one round

=2×66=132m

d)When two rounds it is at its initial position

therefore,displacement is 0m/s

HOPE IT HELPS YOU

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