Displacement has to do with the change of position with time in a specified direction.
What is the displacement?
The term displacement has to do with the change of position with time in a specified direction. Now let us proceed to solve the questions individually.
1) Displacement = x2 - x1 = 4.27 - 9.2 = -4.93 m
2) Velocity = displacement/ time = x2 - x1/t2 - t1 = 4.27 - 9.2/4.81 - 1.54
= -4.93 m/3.27 = -1.5 m/s
3) The average speed is obtained from;
9.2/1.54 + 4.27/4.81
= 5.97 + 9.08
= 15.05 m/s
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