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katrin [286]
1 year ago
8

Which scientific method could I use to test this hypothesis? "If the mass and the volume of an object are known, then its densit

y can be calculated dividing the object's mass by its volume."
Physics
2 answers:
Varvara68 [4.7K]1 year ago
7 0

Answer:

To test the hypothesis, we need to make an observation or perform an experiment associated with the prediction. For instance, in this case, we would plug the toaster into a different outlet and see if it toasts.

inspired by answer up there

sorry i couldn't add details because think its bad

Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is most often used by scientists to test specific predictions, called hypotheses, that arise from theories.

REY [17]1 year ago
3 0

Answer:

Multiple so you can test multiple hypothesis at once

Explanation:

because

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arlik [135]

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Explanation:  Speed = wavelengt · frequency  

v = λf   and frequency is 1/period  f = 1/T

Then v = λ/T = 5 m / 20 s = 0.25 m/s

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A 30 kg dog runs at a speed of 15 m/s. What is the dog's kinetic energy (in jewels)? Round the answer to two significant digits.
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It would be 12.34

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Explain why astronomers use the term "blueshifted" for objects moving toward us and "redshifted" for objects moving away from us
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Which examples are a COMPLETE description of motion? Select ALL that apply.
SIZIF [17.4K]
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8 0
2 years ago
If the index of refraction for a certain glass is 1.5, and the angle of refraction is 15 degrees for a ray of light
LiRa [457]

Answer:

\theta_i = 23^o

Explanation:

The refractive index of a medium is given by the following formula:

\eta = \frac{Sin\theta_i}{Sin\theta_r}

where,

η = refractive index = 1.5

\theta_i = angle of incidence = ?

\theta_r = angle of refraction = 15°

Therefore,

1.5 = \frac{Sin\theta_i}{Sin15^o}\\\\Sin\theta_i=(1.5)Sin15^o\\\\\theta_i = Sin^{-1}(0.388)\\\\

\theta_i = 23^o

4 0
2 years ago
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