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r-ruslan [8.4K]
3 years ago
12

A hypothesis is an assumption or a best guess that

Physics
2 answers:
rusak2 [61]3 years ago
6 0

Definition: a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Jet001 [13]3 years ago
5 0
A hypothesis is a scientific guess containing the words if, and then
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What is the relationship between atmospheric pressure and the density of gas particles in an area of increasing pressure
mezya [45]

Answer:

this is a no brainer

Explanation:

As air pressure in an area increases, the density of the gas particles in that area increases.

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3 years ago
3. The car's mass is 400 kg. It moves at a velocity of 20 m/s. Calculate the car's momentum. *
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Answer:

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Frequency<br> In excercising
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A girl is sitting in a sled sliding horizontally along some snow (there is friction present). The mass of the girl is 29.8 kg an
jonny [76]

Answer:

28.81 m

Explanation:

Ff = -123

m * a  = -123

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We know,

v^2 = u^2 + 2as

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s = 176.89/6.14 = 28.81

[ If there's a problem with the solution, pleaase let me know ]

6 0
3 years ago
A machine puts out 6,000 J of work. To produce that much work the machine
topjm [15]

Answer:

Efficiency of the machine = 75%

Explanation:

Given:

Input work = 8,000 J

Output work = 6,000 J

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Efficiency of the machine = [Output work / Input work]100

Efficiency of the machine = [6,000 / 8,000]100

Efficiency of the machine = 75%

5 0
3 years ago
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