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Semmy [17]
2 years ago
14

What type of evidence is needed for a hypothesis to be supported or not supported?

Physics
1 answer:
NISA [10]2 years ago
8 0

Answer:

Hypotheses must be testable, and once tested, they can be supported by evidence. If a statement is made that cannot be tested and disproved, then it is not a hypothesis.

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What would the weight of an astronaut be on Saturn if his mass is 68 kg and acceleration of gravity on Saturn is 10.44 m/s2? Ple
alex41 [277]

Here's the part you need to know:

       (Weight of anything) =

                 (the thing's mass)
times
                 (acceleration of gravity in the place where the thing is) .

                 Weight = (mass ) x (gravity) .

That's always true everywhere.
You should memorize it.

For the astronaut on Saturn . . .

                   Weight = (mass ) x (gravity) .

                
  Weight =  (68 kg) x (10.44 m/s²)

                        
      =    709.92 newtons .
__________________________________

On Earth, gravity is only  9.8 m/s².
So as long as the astronaut is on Earth, his weight is only

                                   (68 kg) x (9.8 m/s²)

                               =    666.4 newtons .

Notice that his mass is his mass ... it doesn't change
no matter where he goes. 

But his weight changes in different places, because
it depends on the gravity in each place.

4 0
3 years ago
An electron is accelerated through 1.90 103 V from rest and then enters a uniform 1.80-T magnetic field.
cluponka [151]

Answer:

https://www.slader.com/discussion/question/an-electron-is-accelerated-through-240-times-103-v-from-rest-and-then-enters-a-uniform-170-t-magnetic-field-what-are-a-the-maximum-and-b-the-9e425fbd/

( Here is solution)

3 0
3 years ago
What is the science principle that explains magnetic fields? I need this fast, please!
bekas [8.4K]

Answer:

I literally just learned this last week and if I remember correctly it is Faraday's Law of Induction.

Explanation: Hope this helps also I hope you have/had an amazing day today<3

3 0
2 years ago
If a reaction starts with 30 grams how many should it end with?
GrogVix [38]
30 grams because of conservation
6 0
3 years ago
Read 2 more answers
Which elements are found in all four components of Earth?​
kifflom [539]

Answer:

oxygen silicon aluminun iron

3 0
3 years ago
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