Q6 of 20 Page 67

Observe Figure 13.3.


The time period of a simple pendulum is the time taken by it to travel from

Time period is defined as the time taken by the pendulum to complete one oscillation. Here A to B and again back to A complete one oscillation.

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A bus travels 54 km in 90 minutes. The speed of the bus is

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If we denote speed by S, the distance by D and time by T, the relationship between these quantities is

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Fig. 13.4 shows an oscillating pendulum.


Time taken by the bob to move from A to C is t 1 and from C to O is t 2 . The time period of this simple pendulum is

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The correct symbol to represent the speed of an object is