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Radius of level circular track is 20 m. If coefficient of friction is 0.25, then what will be maximum safe speed ? (g = 9.8 ms^(2)) |
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Answer» Solution :`g= 9.8ms^(2)` `r=20 m` ` g = 9.8 ms^(-2)` `v_(AX)= SQRT(mu rg )` `= squr(0.25 XX 20 xx 9.8 ) ` `=7m//s` |
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