3 years ago

What kind of proof is required when disproving old ideas?

Physics

1 answer:

GrogVix [38]3 years ago

8 0

Answer:

Explanation:

In order to disprove an old theory you need to prove a new one that contradicts it using scientific research and experimentation

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If the mass of a body is 9.8kg on the earth, what would be its mass on the moon?

devlian [24]

Answer:

it will remain same because mass of the body is constant everywhere

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2 years ago

9. If the frequency of a certain light is 3.8 x 1024 Hz, what is the energy of this light?

german

Answer:

E=hf

Were, h = Planck constant 6.67*10^11

E=3.8*10^24 * 6.67*10^11= 2.508*q0^36j

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2 years ago

Buffalo, New York, and Raleigh, NC, lie approximately on the same meridian. Buffalo has a latitude of 42.9° N, and Raleigh has a

yulyashka [42]

Answer:

Distance will be $=3960\times 0.12385=490.468miles$

Explanation:

We have given that Buffalo has a latitude of 42.9°N

And Raleigh has a latitude of 35.8°N

Radius of the earth = 3960 miles

We have to calculate the distance between given two cities

Difference in their latitudes = $42.9-35.8=7.1^{\circ}$

Now changing the angle in radian = $7.1\times\frac{\pi }{180}=0.12385radian$

So distance will be $=3960\times 0.12385=490.468miles$

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2 years ago

The image shows mountains in Alaska.

zalisa [80]

Answer:

A syncline is visible.

Explanation:

A syncline is visible.

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2 years ago

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A machine with a mechanical advantage of 10 is used to produce an output force of 250 Newton’s. What input force is applied to t

finlep [7]

Answer:

que tue nesisitas

Explanation:

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3 years ago