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A block of mass 500 g is at rest on a horizontal table. What steady force is required to give the block a velocity of 200 cms^(-1)in 4 s? |
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Answer» SOLUTION :Use`F= ma ` ` a = (V - u)/(t ) = (200 - 0)/(4) = 50 cm//s^2` ` F = 500 xx 50 =25,000 `dyne |
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