Question:

An object is moving with a velocity 4m/s.If it is subjected to an acceleration of 2m/s^2?

by  |  earlier

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calculate its velocity and distance travelled after 5 second.

(m/s->meter per second).

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4 ANSWERS


  1. Final Velocity: Initial Velocity + (acceleration*time)

    Thus, 4 + (2*5)= 14 m/s.

    Distance: Average Velocity * Time

    Average Velocity=Final Velocity+Initial Velocity/2

    Thus, A.V= 18/2=9 m/s.

    Further, Distance= 9*5= 45 m.


  2. Initial velocity u = 4 m/s

    Acceleration a = 2 m/s^2

    Time t = 5 s

    Final velocity v = ?

    Distance travelled s = ?

    v = u + at = 4 + 2*5 = 4 + 10 = 14 m/s

    s = ut + 1/2 at^2 = 4*5 + 1/2*2*5^2 = 20 + 25 = 45 m

    Ans: velocity = 14 m/s

    Distance = 45 m

  3. what the h**l are you talking about? school hasn't started yet

  4. initial velocity, u = 4 m/s

    time taken, t = 5 s

    acceleration, a = 2m/s^2

    final velocity, v = u + at

    v = 4 + (2) (5) = 14 m/s (ans)

    Using s = ut + 0.5 at^2

    s = 4 X 5 + 0.5 X 2 X 5^2

    s = 45 m (ans)

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