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Nuetrik [128]
3 years ago
11

According to Newton's third law, if you push on a wall, the wall ?

Physics
2 answers:
LenKa [72]3 years ago
5 0
The wall will push back.
Lady bird [3.3K]3 years ago
3 0

The wall will push back, in exactly the opposite direction, and with
exactly the same size force.

That's why the net force on the palm of your hand is zero, and that
in turn is the reason that your hand doesn't accelerate.

If you keep increasing the strength of your push, then eventually you
exceed the force that the wall is capable of delivering.  Then the wall
crumbles and falls, your hand accelerates in the direction you're pushing,
and the crowd goes wild !


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marusya05 [52]
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6 0
3 years ago
Formula of atmospheric pressure​
Alik [6]

Answer:

P_{h}=P_{0} e\frac{-mgh}{kT}

Explanation:

8 0
2 years ago
Is it possible to do work on an object without changing the kinetic energy of the object? Now Why?
Murrr4er [49]

Answer:

(a) Yes, it is possible by raising the object to a greater height without acceleration.

Explanation:

The work-energy theorem states that work done on an object is equal to the change in kinetic energy, and change in  kinetic energy requires a change in velocity.

If kinetic energy will not change, then velocity will not change, this means that there will be constant velocity and an object with a constant velocity is not accelerating.

If the object is not accelerating (without acceleration) and it remains at the same height (change in height = 0, and mgh = 0).

Thus, for work to be done on the object, without changing the kinetic energy of the object, the object must be raised  to a greater height without acceleration.

Correct option is " (a) Yes, it is possible by raising the object to a greater height without acceleration".

8 0
3 years ago
Which of the following numbers is equal to an object's acceleration?
Elenna [48]
<span>C. the slope of that objects velocity-time graph

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</span>
5 0
2 years ago
Read 2 more answers
the front and back sides of a person has an area of 900 square inches each side. what is the total force of the atmosphere press
ZanzabumX [31]

Answer:

5.9\cdot 10^4 N

Explanation:

First of all, let's convert the area of the front side of the person into m^2:

A=900 in^2=0.58 m^2

And the atmospheric pressure is

p=1.01 \cdot 10^5 Pa

The force pressing on this person from the front side is

F=pA

and substituting the values of the pressure and the area, we find

F=(1.01 \cdot 10^5 Pa)(0.58 m^2)=58,580 N=5.9\cdot 10^4 N

5 0
3 years ago
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