2 years ago

Ultraviolent radiation is one of many types of energy that comes to Earth from the Sun.

2 answers:

7 0

True. UV radiation is a form of energy that travels through space. <span>The sun is a major source of ultraviolet radiation but also emits a number of different types of electro magnetic radiation.</span>

motikmotik2 years ago

7 0

True. It is the cause of some types of skin cancer, unlike the heat and light waves.

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A proton is ejected from the sun at a speed of 2 x 10^6 m/s. How long does it take for this proton to reach earth? Answer in hou

wolverine [178]

The distance from the Sun to the Earth is 149,600,000 km.

$d=149 600 000 \ km = 149 600 000 000 \ m = 1496 \cdot 10^8 \ m \\
v=2 \cdot 10^6 \ \frac{m}{s} \\ \\ \\
t=\frac{d}{v} \\ \\
t=\frac{1496 \cdot 10^8 \ m}{2 \cdot 10^6 \ \frac{m}{s}}=748 \cdot 10^2 \ s =\frac{748 \cdot 10^2 }{36 \cdot 10^2} \ h \approx \underline{\underline{20,78 \ h}}$

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3 years ago

A stool has a round non-slip pad fitted to the bottom of each leg.

Andreyy89

50 N/cm^2. It is 75+525/4x3. Pls mark me brainliest

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2 years ago

Which of the following is least likely to result from seafloor spreading

Assoli18 [71]

Answer:

An reversal in the magnetic fields of the north and south pole. This would be the most logical option for me...correct me if I'm wrong.

Explanation: