1.

A bodystarting from rest has an acceleration of 20 ms^(-2)the distance travelled by it in the sixth second is ...

Answer»

110 m
130M
90 m
50 m

Solution :Distance TRAVELLED in nth second ,u = 0
`S_a = u + 1/2 a (2 n- 1) `
`S_6= 0+ 1/2 xx 20 xx (2 xx 6) , S_6= 110 m `


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