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dalvyx [7]
3 years ago
6

Why are scientific theories modified, but seldom discarded?

Physics
2 answers:
scoundrel [369]3 years ago
5 0
Because some scientific theories are true and some are false
atroni [7]3 years ago
5 0

Answer:

A scientific theory is a well-explained idea which is established after performing the experiments which provide the evidence in support of the hypothesis.

The theory can be modified as well as can be rejected with time as the advancement in the technology can provide new facts which could be added in the existed theory or contradictory facts which could lead to the rejection of the theory.  

The generation of new data can shift the paradigm of science on the basis of which the scientific theory is based.

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Can someone help me?!!!!!
german
<h2>Hello!</h2>

The answer is:

The first option,  the walker traveled 360m more than the actual distance between the start and the end points.

Why?

Since each block is 180 m long, we need to calculate the vertical and the horizontal distance, in order to calculate how farther did the travel walk between the start and the end points (displacement).

So, calculating we have:

Traveler:

Distance=NorthCoveredDistance+EastCoveredDistance

Distance=4*180m+3*180m=720m+540m=1260m

Actual distance between the start and the end point (displacement):

ActualDistance=\sqrt{NorthDistance+EastDistance}\\\\ActualDistance=\sqrt{NorthDistance^{2} +EastDistance^{2}}\\\\ActualDistance=\sqrt{(720m)^{2} +(540m)^{2}}\\\\ActualDistance=\sqrt{518400m^{2} +291600m^{2}}\\\\ActualDistance=\sqrt{810000m^{2}}=900m

Now, to calculate how much farter did the traveler walk, we need to use the following equation:

DistanceDifference=WalkerCoveredDistance-ActualDistance\\\\DistanceDifference=1260m-900m=360m

Therefore, we have that distance differnce between the distance covered by the walker and the actual distance is 360m.

Hence, we have that the walker traveled 360m more than the actual distance between the start point and the end point.

Have a nice day!

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