Question

8. The velocity-time graph of a moving object is a straight line inclined to the time axis. What do you conclude about the nature of motion? 9. The velocity-time graph of a moving object is a zig-zag curve. What conclusion can you draw about the motion of the object? 10. Define uniform circular motion 11. Give two examples of uniform circular motion​

Answer 1

Explanation:

three periods

This is because the first three periods are called short periods. Therefore there are a total of 3 short periods in the Mendeleev periodic table

Answer 2

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