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3 years ago

Give an example of a scientific hypothesis. Explain how you would test it, and how it could be falsified (proved untrue).

Physics

1 answer:

kaheart [24]3 years ago

8 0

my hypothesis is that If you drop a piece of buttered toast, it will land butter side down.

I tested it by dropping 10 pieces of buttered toast off the table and noted on which side it landed

It could be falsified cause I just made all of this up. In essence, it's like flipping a coin, 50/50 chance so I could say that 5 landed butter up and 5 landed butter down.

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Car A is traveling at 20.0 m/s and car B at 27.0 m/s.

Savatey [412]

Take the moment car A starts to accelerate to be the origin. Then car A has position at time t

x = (20.0 m/s) t + 1/2 (2.10 m/s²) t²

and car B's position is given by

x = 300 m + (27.0 m/s) t

Car A overtakes car B at the moment their positions are equal:

(20.0 m/s) t + 1/2 (2.10 m/s²) t² = 300 m + (27.0 m/s) t

300 m + (7.00 m/s) t - (1.05 m/s²) t² = 0

==> t ≈ 20.6 s

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Answer:

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Explanation:

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3 years ago

A submarine dives 185.0 m at an angle of 15.0◦ below the horizontal. What is the horizontal component of the submarine’s displac

stepan [7]

Answer:

Horizontal component, $d_x=178.69\ m$

Explanation:

It is given that,

Displacement of the submarine, d = 185 m

It is at an angle of 15 degrees below the horizontal. We need to find the horizontal component of the submarine's displacement. It is given by :

$d_x=d\ cos\theta$

Substituting the values in above equation as :

$d_x=185\times \ cos(15)$

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Snezhnost [94]

Answer:

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Explanation:

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2 years ago