Newton's law of universal gravitation works well in ordinary situations on earth, but it does not work well
2 answers:
Answer:
For large masses,It does not work well
Explanation:
Newton's law of universal gravitation :
In the universe every particle attract the other particle by a force and this force is directly proportional to product of their masses and inversely proportional to distance between these two masses.This law given as follows
Where G is the constant.
Th one limitation of this law that the masses should not be too large.So this law does not work well for large bodies.
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Answer:
5 hours
Explanation:
Let the required time be x hours. The time will be the same for both cars.
The cars will cover different distances because they are travelling at different speeds.
<em>D=S×T </em>
The distance travelled by the slower car = 50×x miles.
The distance travelled by the faster car = 58×x miles.
The two distances differ by 40 miles.
58x−50x=40
8x=40
x=5 hours
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A second method:
The difference in the distances is 40 miles
The difference in the speeds is #8mph.
The time to make up the 40 miles= =5 hours