Out of the four the last one is true - "<span>radiation may stick around for a long time and cause cancer". The other three are false - some effects will be long-lasting, they may affect large areas, and are not necessarily apparent immediately.</span>
Answer:
The axis is tilted and points to the North Star no matter where Earth is in its orbit. Because of this, the distribution of the Sun's rays changes. ... It also means that the angle at which sunlight strikes different parts of Earth's surface changes through the year.
Explanation:
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Answer:
False
Explanation:
Vector has a magnitude and direction.
A scalar is just a magnitude or size.
Answer:
a) C. 7.5 V
b) A. 2.5 V
Explanation:
First, we find the total resistance of the circuit. A voltage divider circuit is a series circuit. Therefore, its total resistance will be the sum of individual resistances:
a)
Now, we will apply the voltage divider rule on this circuit to find the voltage across the 300 Ω Resistor (R₂):
V₂ = 7.5 V
Therefore, the correct option is:
<u>C. 7.5 V</u>
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b)
Now, the voltage across the 100 Ω Resistor (R₁) will be:
Therefore,the correct option is:
<u>A. 2.5 V</u>
For the temperature 321 K, the temperature is 118.13 degree Fahrenheit.
<u>Explanation:</u>
degree Fahrenheit = (K - 273.15) * (9/5) + 32
Fahrenheit is a thermodynamic temperature scale, where the freezing point of water is 32 degree Fahrenheit. Based upon the definitions of the Centigrade scale and the experimental evidence, the absolute zero is -273.15 degree Celsius.
degree Fahrenheit of 321 K = (321 - 273.15) * (1.8) + 32
= 118.13 degree Fahrenheit.
