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Calculate the time needed for a net for...

Calculate the time needed for a net force of 5 N to change the velocity of a 10 kg mass by 2 m/s .

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F = 5N , m = 10 kg , `(v-u) = 2ms^(-1) , t = ? `
`F = m((v-u))/t rArr 5 = (10 xx 2)/t`
` :. t= 4s `
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