The velocity-time graph of a body is shown in figure. The ratio of the …….during the intervals OA and AB is….

The velocity-time graph of a body is shown in figure. The ratio of the .......during the intervals OA and AB is….

A
Average velocities;1
B
$\frac{OA}{OB}; \frac{1}{4}$
C
Average accelerations; same as distances covered
D
Distances covered, $\frac{1}{2}$

Solution:

${\bar{V}}_{OC} = \frac{\frac{1}{2} \times OA \times AC}{OA} = \frac{AC}{2}$ ${\bar{V}}_{CB} = \frac{\frac{1}{2} \times AB \times AC}{AB} = \frac{AC}{2}$

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