Alfred Wegener believed that all of the continents were originally attached! By looking at the map, you can see that Africa and South America look like they were once joined. This 'super continent' was known as Pangaea. He also found fossils that proved his point.
Hope this helps :)
Since Arthur has developed a hypothesis and now is designing a study to test it, the answer which can provide the best guidance regarding his choice of measures, types of data to be collected, and methods for interpreting the data is the scientific literature in his area of interest.
Books and other research can help Arthur a lot when it comes to testing his hypothesis, because perhaps there have been other similar experiments that may aid him in putting his to the test.
The work is done by the 50 N force is 200 J.
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Work done by the 50 N force</h3>
Work done = Fd
where;
- F is Force applied
- d is the displacement of the object
Work done = 50 N x 4 m = 200 J
Thus, the work is done by the 50 N force is 200 J.
Learn more about work done here: brainly.com/question/8119756
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Answer:
0A.Output force divided by input force.
Answer: 
Explanation:
We have a negative acceleration, meaning that the car is slowing down.
