N//s

1.	N//s
Answer» ` . 12 m` ` 3. 54 m` `2. 56 m` ` 4 . 02m` Solution :When speed is ` 4 ms&(-1)`, the TANGE ` R= C4^^3-1) = C XX 4^2` and ` 4 = C 5^(3-1) = C xx 5^2`. :. ` R/4 = ( 4/5)^2 = 0.64 ` or ` R = 4 xx 0. 64 = 2. 56 m`.

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