Can someone pls help me?!!!! i need it asap!! i’m very stressed
1 answer:
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Answer:
The correct option is A
Explanation:
From the question we are told that
The mass number is
Generally the mean radius is mathematically evaluated as
Here is a constant with a value
So
Answer:
The temperature is
Explanation:
From the question ewe are told that
The rate of heat transferred is
The surface area is
The emissivity of its surface is
Generally, the rate of heat transfer is mathematically represented as
=>
where is the Boltzmann constant with value
substituting value