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vodomira [7]
3 years ago
13

If I push on the wall with 75 Newtons of force, the wall will push back with __

Physics
1 answer:
Scilla [17]3 years ago
7 0

Answer: 0

Explanation:

75 newtons will push back canceling it out make it 0

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Answer:

Choice C seems to be the right answer.

Explanation:

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3 years ago
Please help me to solve this and give me the summary of answer
Neko [114]
Using the principle of floatation.

u = w............(a)

Upthrust of fluid is equal to the weight of the object.

Let the volume of the wood be V.

The upthrust u, is related to the volume submerged in water, and that is 1/5 of it volume, that is (1/5)V = 0.2V

Formula for upthrust, u = vdg

where v = volume of fluid displaced
d = density of fluid
g = acceleration due to gravity

weight, w = mg
where m = mass
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From (a)

                     u = w

                 vdg =  mg      Cancel out g

                   vd  =  m
 
The v  is equal to 0.2V, which is the submerged volume. Notice that the small letter v is volume of fluid displaced, and capital V is the volume of the solid.

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Hence the mass of the object is  200V  kg.

But Density of solid =  Mass of solid / Volume of solid

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3 years ago
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stich3 [128]

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Paladinen [302]

Answer:

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