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Dmitriy789 [7]
3 years ago
6

Can someone please help me match these up

Physics
1 answer:
yaroslaw [1]3 years ago
4 0

Answer:

you need to give the answers choices

Explanation:

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Question 18 (2 points)
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A.Moving electric charges (electrons in a circuit) creates a magnetic field and

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Which of the following is evidence that the universe began with the big bang theory
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3 years ago
A boy of mass 45kg sits 109cm to the left of seesaw. Another boy of mass 29000g wants to balance the seesaw. At what distance he
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Answer:

d_{2} = 169 cm

Explanation:

Mass 1 = 45 kg   => Force = 450 N

Mass 2 = 29 kg   => Force = 290 N

<u><em>According to principle of moments:</em></u>

=> F_{1}d_{1} = F_{2}d_{2}

Where F_{1} = 450 N, d_{1} = 109 cm and F_{2} = 290 N

=> (450)(109) = 290d_{2}

=> 49050 =  290d_{2}

Dividing both sides by 290

=> d_{2} = 169 cm

3 0
3 years ago
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