C. The opportunity cost of a student who is staying up all night to study for an exam that he has to take in the early morning is sleep or rest.
<h3>
What is law of opportunity cost?</h3>
The law of increasing opportunity cost is an economic principle that describes how opportunity costs increase as resources are applied.
As the student gives up his sleep or night rest in the place of his exam preparation, we say that the opportunity cost is the sleep or rest.
Thus, the opportunity cost of a student who is staying up all night to study for an exam that he has to take in the early morning is sleep or rest.
Learn more about opportunity cost here: brainly.com/question/8846809
#SPJ1
Answer:
thats tough i would just guess
Complete Question
The complete question is shown on the first uploaded image
Answer:
The mass is
Explanation:
From the question we are told that
The mass of the stars are
The orbital speed of each star is
The orbital period is
The centripetal force acting on these stars is mathematically represented as
The gravitational force acting on these stars is mathematically represented as
So
=>
=>
=>
=>
The distance traveled by each sun in one cycle is mathematically represented as
Now this can also be represented as
Therefore
=>
=>
So
=>
=>
Answer:25000/23 N/M^2
Explanation:
P=f/A=30/(0.23×0.12)=25000/23