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The position of a particle is given by r = 3.0 t i - 2.0t² j + 4.0 k m where t is in seconds and the coefficients have the proper units for 'r' to be in metres. (a) Find the v and a of the particle (b) What is the magnitude and direction of the velocity of the particle at t = 2.0 s?
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Define v=u+at from velocity - time graph
The variation in velocity with time for an object moving in a straight line can be represented by Velocity Time Graph. In this graph, time is represented along the x axis and the velocity is represented along the y axis.
If the object moves at uniform velocity, the height of its velocity time graph will not change with respect to time
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Mock Test Series
