The amount of gravitational pull between two bodies depends on their masses and which other variable? A. The speed they travel B
2 answers:
Answer:
The answer is B. Distance the bodies
Explanation:
According to Newton's theory of gravitation, the gravitational interaction between two bodies can be expressed by a force directly proportional to the product of the masses of the bodies and inversely proportional to the square of the distance that separates them, this means that the force of attraction can be calculated taking the mass of the bodies and the distance that separates them.
It is expressed with the following formula:
where (F) is force (G) is universal gravitational constant (m1) is mass of the body1 (m2) is mass of the body2 and (r) is the distance between the bodies.
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Answer:
The value is
Explanation:
From the question we are told that
The work input is
The heat delivered is
The value of A is A = 14
The value of B is B = 72
Generally the efficiency of the heat engine is mathematically represented as
Here is the total out energy produce by the heat engine and this is mathematically represented as
=>
=>
So
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