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Calculus

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Suppose that an object moves along an s-axis so that its location is given by s(t)=t^2+4t at time t.(Here is in meters and is in seconds.)
(a) Find the average velocity of the object in meters per second over the time interval t=2 to t=9 seconds.

Average velocity = ? m/s.

(b) Find the instantaneous velocity of the object in meters per second at t=5 seconds.

Instantaneous velocity = ? m/s.

  • Calculus - ,

    same way as the other one but here
    v = ds/dt = 2 t + 4
    so at t = 5
    v = 2(5) + 4 = 14 m/s

  • Calculus - ,

    333

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