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Dmitriy789 [7]
2 years ago
13

Which are characteristics of light? Check all that apply

Physics
1 answer:
Schach [20]2 years ago
7 0

Answer:

wavelength, frequency, energy and speed

Explanation:

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A.) is chemical, B.) is physical, C.) is physical, D.) is chemical, E.) is physical, F.) is physical, G.) is physical, and H.) is chemical.

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Which objects would sink in honey, which has a density of 1.4 g/cm³? Check all that apply.
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any object that has density more than 1.4

Explanation:

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The heating element in a kettle behaves like a resistor. A particular kettle needs to operate at 230 V, with a power of 1500 W.
dedylja [7]

Answer:

R = 35.27 Ohms

Explanation:

Given the following data;

Voltage = 230V

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Power = V²/R

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R is the resistance measured in ohms.

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1500 = 230²/R

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1500R = 52900

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Therefore, the resistance which the heating element needs to have​ is 35.27 Ohms.

4 0
2 years ago
One important relationship between chemical and mechanical weathering is ________. 1. mechanical weathering forms more brittle m
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Answer:

2. mechanical weathering can produce smaller pieces of rock that have more surface area for chemical weathering to work Explanation:

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3 years ago
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