Change into60f into c
1 answer:
Answer:
15.6 C
Explanation:
Here we are given a temperature in Fahrenheit (F). We want to convert it into Celsius degrees (C).
The conversion can be done by using the following equation:
where
T(C) is the temperature in Celsius degrees
T(F) is the temperature in Fahrenheit degrees
In this problem, we have
T(F) = 60 F
Therefore, by applying the equation,
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Answer:
The work is -67.76 J
Explanation:
The law of conservation of energy is considered one of one of the fundamental laws of physics and states that the total energy of an isolated system remains constant. except when it is transformed into other types of energy.
This is summed up in the principle that energy can neither be created nor destroyed in the universe, only transformed into other forms of energy.
In this case you must calculate the loss of kinetic energy. This loss is actually the work done against the resistive force in the air. Friction is the only force other than gravity that acts on the ball.
So, the loss of kinetic energy is
You know:
- mass=m=0.22 kg
- Initial velocity of the ball:
Final velocity of the ball:
Replacing:
= -67.76 J
Friction work is always negative because friction is always against displacement.
<u><em>The work is -67.76 J</em></u>