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Margarita [4]
3 years ago
13

Which object will be the easiest for a magnet to pull? a 1-gram piece of paper, a 2-gram eraser, a 3-gram steel paper clip, a 4-

gram iron nail
Physics
1 answer:
Vlad1618 [11]3 years ago
6 0
Steel paper clip because it can be moved by the magnet and it is lighter than the iron nail
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What is law of conservation of momentum ?​
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balandron [24]

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3 years ago
If a sound with frequency fs is produced by a source traveling along a line with speed vs. If an observer is traveling with spee
Alexus [3.1K]

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457.81 Hz

Explanation:

From the question, it is stated that it is a question under Doppler effect.

As a result, we use this form

fo = (c + vo) / (c - vs) × fs

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vo = velocity of observer relative to source = 45 m/s

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fo = (332 + 45) / (332 - (-46)) × 459

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fo = 0.9974 × 459

fo = 457.81 Hz

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