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3 years ago

7

Một bóng đèn có hiệu điện thế định mức là 110V. Đặt vào hai đầu bóng đèn các hiệu điện thế sau đây, hỏi trường hợp nào dây tóc c

ủa đèn sẽ đứt?

1 answer:

Leokris [45]3 years ago

8 0

Answer:

fhaiisjrbekxkrkebxnsiiwj4bnds

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Time taken by the water balloon to reach the bottom will be given as

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here we know that

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now by the above formula

$18 = \frac{1}{2}*9.8* t^2$

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now in the same time interval we can say the distance moved by it will be

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