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A wave of amplitude 0.20 meter interferes with a second wave of amplitude 0.12 meter traveling in the similar direction.
(a) Find the largest resultant amplitude that can occur, and under what conditions will this maximum arise?
_________m
(b) Obtain the smallest resultant amplitude that can occur, and under what conditions will this minimum arise?
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An electric device draws 6.50 A at 240 V (a) if the voltage drops with 15% what will be the current assuming nothing else changing (b)if the resistance of device are reduced by 15 % what current would be drawn at 240 V
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A tortoise can run with a speed of 14.0 cm/s, and a hare can run 20 times as fast. In a race, What is the length of the race
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