Question

$(7) - 82(4 \times 455) \div (51 - 42)$
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Answer 1

Answer:

AMPLITUDE -- THE MAXIMUM DISPLACEMENT OF A VIBRATING OBJECT FROM ITS CENTRAL POSITION.....

Frequency -- the number of oscillation per second........

Time period.-- the time taken by A vibrating ( oscillating ) object to complete one vibration....

Hope it helps you....✌️✌️

Answer 2

Answer:

hope this picture will helpful to you..