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Brums [2.3K]
3 years ago
9

It is epistemically possible that a completed physics might include which of the following propositions? O Souls and other spiri

tual substances exist O God created the universe O Matter is unreal O All of the above
Physics
1 answer:
ohaa [14]3 years ago
3 0

Answer:

option D.

Explanation:

The correct answer is option D.

At present the knowledge of physics does not includes the study related to souls , other spiritual substance.

Physics does not give the answers of question like God created universe , matter is unreal, etc.

So, there might will be possibility that in future complete physics will give the answer of all these questions i.e. correct answer is All of the above.

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An inclined plane makes an angle of 30.0º with the horizontal. 
Wittaler [7]

The force required to push the box upward is 145.3N and the force to pus the box downward is -109.3N

Data given;

  • mass = 15kg
  • angle = 30 degree
  • acceleration = 1.2 m/s^2
  • acceleration due to gravity = 9.8 m/s^2

<h3>Force against gravity</h3>

To move the plane upward, the box will move against gravity.

F = F - mgcos X\\&#10;ma = F - mg cosX

Let's solve for F

ma = F - mgcosX\\&#10;15*1.2 = F - 15*9.8 * cos 30\\&#10;18 = F - 127.30\\&#10;F = 18 + 127.30\\&#10;F = 145.3N

<h3>Force towards gravity</h3>

When the force pushes the box down the inclined plane, it moves towards gravity.

F = F + mgcosX\\&#10;ma = F + mgcosX\\&#10;15*1.2 = F + 15*9.8*cos30\\&#10;F = -109.3N

The force required to push the box upward is 145.3N and the force required to push the box downward is -109.3N

Learn more on force across an inclined plane here;

brainly.com/question/11888124

4 0
2 years ago
A race car drives one lap around a race track that is 500 meters in length.
DIA [1.3K]

Answer:

a) 0

Explanation:

A) since he is going around a race track, his initial position is 0m, and his ending position is also 0m, so his displacement is 0. Yes, his distance is 500m, but his displacement is 0, and he did not end up going anywhere for his final position.

B) Distance is total amount traveled, which in this case is 500m, but displacement is 0 as he did not change his position.

4 0
2 years ago
Does sombrero galaxy orbit around anything?
ad-work [718]

Answer:

yes

Explanation:

8 0
3 years ago
Can I pass 6th grade with these grades:
Reika [66]

Answer:

No you can't so sorry

Explanation:

I hope this helps.

7 0
1 year ago
Read 2 more answers
When you jump from an elevated position you usually bend your knees upon reaching the ground. By doing this, you make the time o
Len [333]

Answer:

10 time smaller

Explanation:

Since the average force of impact is the impulse divided by the time of impact:

F = \frac{\Delta P}{\Delta t}

whereas impulse is the change of momentum (from full to rest) which is constant and independent of the time of impact. So if you make the time of the impact about 10 times as great as for a stiff-legged landing, the average force that you experience would be 10 times smaller.

3 0
3 years ago
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