MCQ
The acceleration of a moving object can be determined by:
- Athe slope of distance-time graph
- ✓the slope of velocity-time graph
- Cthe area of the velocity-time graph
- Dthe area of the distance-time graph
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$A :$ The excess pressure inside a small liquid drop is more than that of a big drop.
$B :$ As the aeroplane moves fast on the runway the pressure is more on the upper surface of its wings and less on the bottom surface of the wings.