1.

Ifthe distance travelled by a body in the nth second is given by (4+ 6 n) m then find theinitial velocity and acceleration of the body.

Answer»

Snth= u + a(n-1/2)

= u -a/2 + an

Snt= 4 + 6n (given)

comparing both equations

u-a/2 = 4 , a = 6m/s^2

u = 4+a/2 = 7m/s



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