Question

If x=2t+3t+6 calculate velocity and accleretion when t=2sec

Answer 1

Differentiate both sides by t in eq...

dx/dt = 2.d(t)/dt + 3.d(t)/dt + d(6)/dt

v= 2 + 3

v = 5 Ans.

And acceleration when t =2

a= v/t = 5/2 or 2.5 Ans.

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