Answer:
Look at this picture this is the answer
Explanation:
The answer is A. Hope this helps. :)
You are asked to calculate an object's velocity.
In order to do so, you must know the object's speed and the direction
in which it's moving, or you must have other information that makes it
possible for you to calculate its speed and direction.
1. The correct answer among the choices provided is the third option. Measuring the temperature increase of water from doing work by stirring it is an experiment generally regarded as being first carried out by James Joule.
2. Joule's experiment directly shows that heat is a form of energy. He wanted to make a different way of measuring energy.
