3 years ago

Is the visible light color spectrum a small segment of the electromagnetic spectrum?

Physics

1 answer:

VMariaS [17]3 years ago

7 0

Answer:

Yes

Explanation:

The visible light color spectrum only makes up a small segment of the EM spectrum

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A node is a point on a standing wave that has no displacement from the rest position. at the nodes, _____.

nikdorinn [45]

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3 years ago

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sertanlavr [38]

False is correct......

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3 years ago

A man is sitting on a chair with wheels. He grabs a 2.1 kg book from the desk and throws

geniusboy [140]

The speed of the man and the chair after the book is thrown is 0.2 m/s.

The given parameters:

mass of the book, m₁ = 2.1 kg
speed of the book, u₁ = 7.2 m/s
mass of the man, M = 70 kg
mass of the book, m = 9.2 kg

The total mass of the man and the book is calculated as follows;

m₂ = 70 kg + 9.2 kg

m₂ = 79.2 kg

The speed of the man and the chair after the book is thrown is determined by applying the principle of conservation of linear momentum;

$m_1 u_1 = m_2u_2\\\\u_2 = \frac{m_1u_1}{m_2} \\\\u_2 = \frac{2.1 \times 7.2}{79.2} \\\\u_2 = 0.2 \ m/s$