physics]

a body moving along a straight line at 20 m/s undergoes an acceleration of 4 metre per second square.after two seconds what will be its speed? also, find the displacement .

  1. 👍 0
  2. 👎 0
  3. 👁 357
  1. 1. V = Vo + at.

    20 + 4*2 = 28m/s.

    2. d = Vo*t + at^2.

    d = 20*2 + 4*2^2 = 56m.

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. PHYSICS

    if force acts on body WHOSE ACTION LINE does not Passes through its center of gravity then body will experience A ANGULAR ACCELERATION b linear acceleration C ZERO ACCELERATION D ZERO ACCELERATION

  2. AP Calculus

    A particle is moving along a horizontal straight line. The graph of the position function (the distance to the right of a fixed point as a function of time) is shown below. Answer the following questions only on the interval

  3. physics

    A body of mass 5kg moving with a speed of 3m/s collides head on with a body of mass 3kg moving in the opposite direction at speed of 2m/s The first body stops after the collision The final velocity of the second body is Ans:3m/s

  4. physics

    A body moving in the positive x direction passes the origin at time t = 0. Between t = 0 and t = 1 second, the body has a constant speed of 24 meters per second. At t = 1 second, the body is given a constant acceleration of 6

  1. physics

    a body is moving along +xaxis with uniform acceleration of-4ms2 its velocity at x=0 is 10ms-1 the time taken by the body to reach a point at x=12m is?

  2. physics

    2.The distance travelled by a body moving with uniform acceleration in the nth second is given by Sn=3.8+0.4n,find the velocity of the body

  3. Science

    To determine the acceleration of an object moving in a straight line, you must calculate the change in its stored during each unit of A. Velocity. B. Time. C. Motion. D. Deceleration. Is the answer B? Thank you

  4. physics

    An object is moving along a straight line. The graph shows the object's velocity as a function of time. . What is the acceleration of the object in the interval from t = 5 s to t = 6 s?

  1. physics

    a body moving with a uniform acceleration travels distances of 24m and 64m during the first two equal consecutive intervals of time each of duration 4s.determine the initial velocity and acceleration of moving body.

  2. physics

    A body moving in the positive x direction passes the origin at time t = 0. Between t = 0 and t = 1 second, the body has a constant speed of 24 meters per second. At t = 1 second, the body is given a constant acceleration of 6

  3. maths

    a gardener has to put double fence all around a triangular path with sides 120 metre,80 metre,and 60 centi-metre.in the middle of each side their is a gate of width 10 metre. find the length of the wire needed for the fence.

  4. Physics

    1. Which statement below is true? a. If a car is traveling eastward, its acceleration is eastward. b. If a car's speed is decreasing, its acceleration must be negative. c. If a particle is moving, it must have a non-zero

You can view more similar questions or ask a new question.