Answer:
Resulting heat generation, Q = 77.638 kcal/h
Given:
Initial heat generation of the sphere, 
Maximum temperature, 
Radius of the sphere, r = 0.1 m
Ambient air temperature,
= 298 K
Solution:
Now, maximum heat generation,
is given by:
(1)
where
K = Thermal conductivity of water at 
Now, using eqn (1):

max. heat generation at maintained max. temperature of 360 K is 24924
For excess heat generation, Q:

where



Now, 1 kcal/h = 1.163 W
Therefore,

Answer:
Check the explanation
Explanation:
Electrical current can be measured according to the rate of electric charge flow in any electrical circuit:

the derivative of the electric charge by time determines the momentary current.
i(t) will be the momentary current I at time t in amps (A).
Q(t) will also be the momentary electric charge in coulombs (C).
t is the time in seconds (s).
so if the current is constant:
I = ΔQ / Δt
I will be the current in amps (A).
ΔQ will be the electric charge in coulombs (C), which is expected to flows at time duration of Δt.
Δt is the time duration in seconds (s).
Kindly check the attached image below to get the step by step explanation to the question above.
Answer:
0.447 s²
Explanation:
First, convert to SI units.
(354 mg) (45 km) / (0.0356 kN)
(0.354 g) (45000 m) / (35.6 N)
One Newton is kg m/s²:
(0.354 g) (45000 m) / (35.6 kg m/s²)
(0.000354 kg) (45000 m) / (35.6 kg m/s²)
Simplify:
0.447 s²
Answer:
Shining lantern Magic beans
Explanation:
I will explain the code line by line.
The first statement contains a string type variable magicPowers and second statement has an int type variable experienceLevel which is initialized by value 9.
Nested if statement are used and lets see which of those statements execute.
The first if statement checks if the value of experienceLevel is greater than 10. This statement evaluates to false because the value of experienceLevel is set to 9. Then the program control moves to the next if statement.
The second if statement checks if the value of experienceLevel is greater than 8. This if condition evaluates to true because the value of experienceLevel is 9. So this if statement is executed which contains the statement magicPowers = magicPowers + "Shining lantern "; . This means magicPowers stores the string Shining lantern.
The third if statement checks if the value of experienceLevel is greater than 2. As the value of experienceLevel is 9 so this condition also evaluates to true which means the statement magicPowers = magicPowers + "Magic beans "; is executed. This statement means magicPowers stores the string Magic Beans
You can use a print statement to display the output on the screen as:
System.out.print(magicPowers);
Output:
Shining lantern Magic beans
The program along with the output is attached as a screenshot.