MCQ
Area under a speed - time graph gives:
- AThe time taken by a moving object.
- BThe distance travelled by a moving object.
- CThe acceleration of a moving object.
- DThe retardation of a moving object.
Explanation:
The area under the velocity - time graph gives the distance traveled by a moving object during that time interval.
While the area under the velocity-time graph gives displacement of the particle.
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$2\,\frac{{{d^2}x}}{{d{t^2}}} + 32x = 0$
where $x$ is the displacement from the mean position of rest. The period of its oscillation (in seconds) is