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[" 25.An athlete in the olympic games co...

[" 25.An athlete in the olympic games covers a "],[" distance of "100m" in "10s" .His kinetic energy "],[" can be estimated to be in the range "],[[" (a) "200J-500J," (b) "2times10^(5)J-3times10^(5)J],[" (c) "20000J-50000J," (d) "2000J-5000J]]

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An athlete in the Olympic gamed covers a distance of 100 m in 10 s . His kinetic energy can be estimated to be in range. (1) 200 J - 500 J (2) 2 xx 10^(5) J - 3 xx 10^(5) J (3) 20,000 J - 50,000 J (4) 2,000 J - 5,000 J .

v = 5 m s^(-1) W = mg = 100 N m = 10 kg Kinetic energy ??