Homework Answers
Slope of Displacement-Time graph give velocity.
Slope at ( t = 2) = (4-0)/(4-0) = 1.
Instantaneous Velocity at (t= 2 sec) = 1 m/s.
At t = 8 sec (Displacement-Time) graph is not differentiable. So at t = 8 sec Velocity is undetermined.
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The initial velocity and acceleration of four moving objects at a given instant in time are given in the following table. Determine the final speed of each of the objects, assuming that the time elapsed since t = 0 s is 2.1 s.
An analysis of the time headways resulted in a model for the time elapsed between the arrival of consecutive vehicles on urban roads. Following are 137 arrival times (in seconds) along with the values expected from the theoretical model Observed Expected Time 0-2 2-4 4-6 6-8 8-10 10-12 12-18 18-22 < 22 18 28 14 7 23 18 16 13 10 20 30 19 Can you conclude that the theoretical model does not explain the observed val well? Test using...
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3 a)The table below gives the velocity v of a moving particle at time t seconds. Find the distance covered by the particle in 12 seconds using Trapezoidal rule and Simpson's a third rule. Find also the acceleration at t-2 seconds t (sec) V mls 2 4 6 8 10 12 16 34 60 94 136 (6marks)
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acceleration of four moving objects at a given instant in time are
given in the following table. Determine the final speed of
each of the objects, assuming that the time elapsed since
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The initial velocity and acceleration of four moving objects at a given instant in time are given in the following table. Determine the final speed of each of the objects, assuming that the time elapsed since t = 0 s is 2.1 s.
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