Question

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QUESTION 3 10 Determine the total distance travelled in the figure. time (s)

Answer 1

The graph given is velocity - time graph

Area under a velocity-time graph gives distance

Total Distance, D=Area of triangle 1 +Area of rectangle + Area of triangle 2

$D=\frac{1}{2}*b_{1}*h{\color{Red} +}b_{2}*h{\color{Red} +}\frac{1}{2}*b_{3}*h$

$D=\frac{1}{2}*(4-0)*10{\color{Red} +}(8-4)*10{\color{Red} +}\frac{1}{2}*(10-8)*10$

$D=\frac{1}{2}*4*10{\color{Red} +}4*10{\color{Red} +}\frac{1}{2}*2*10$

$D=20{\color{Red} +}40{\color{Red} +}10$

ANSWER: ${\color{Red} D=70m}$

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