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charle [14.2K]
3 years ago
9

Which action can be explained by physics ?

Physics
2 answers:
LiRa [457]3 years ago
8 0
The pressure of blood exerted on the inner walls of the veins

Elis [28]3 years ago
3 0

Answer:

Option (d)

Explanation:

The pressure of blood exerted on the inner walls of the veins.

Pressure is defined a the force acting on the surface per unit area.

Pressure = \frac{Force}{Area}

The SI unit of pressure is Newton per square metre.

More be the force more be the pressure.

As due to the deposition of cholesterol on the walls of veins, the area of cross section of walls decreases which results the increase in pressure . It is very harmful for the heart, it may cause heart failure as heart do extra work to pump the blood.

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Match these items.
horrorfan [7]
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4 0
3 years ago
A 1000-kilogram car traveling due east at 15 meters per second hit from behind and receives a forward impulse of 6000 newton-sec
strojnjashka [21]

The change in momentum of the car is 6000 kg m/s

Explanation:

According to the impulse theorem, the change in momentum of an object is equal to the impulse exerted on the object, therefore:

\Delta p = I

where

\Delta p is the change in momentum

I is the impulse exerted

For the car in this problem, the impulse received is

I = 6000 kg m/s (in the forward direction)

Therefore, the change in momentum of the car is equal to this value:

\Delta p = I = 6000 kg m/s (in the forward direction)

We can also calculate what is the new momentum of the car. In fact, the initial momentum is

p_i = mu = (1000 kg)(15 m/s)=15,000 kg m/s

And  so, the new momentum is

p_f = p_i + \Delta p = 15,000 + 6,000 = 21,000 kg m/s

Learn more about impulse and momentum:

brainly.com/question/9484203

#LearnwithBrainly

8 0
3 years ago
On a smooth horizontal floor an object
lukranit [14]

Answer:

what do you mean by this?

Explanation:

7 0
2 years ago
Read 2 more answers
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adelina 88 [10]
A line on a graph has a downward slope
8 0
3 years ago
Voltage will be induced in a wire loop when a magnetic field within that loopa. is at right angles to the electric field b. chan
mixas84 [53]

Answer:

changes

Explanation:

According to Michael Faraday, voltage is induced on a metallic conductor when the magnetic field changes. The principle is known as the principle of electromagnetic induction. The voltage induced on the metallic conductor is referred to as induced emf.

The magnitude if induced emf depends on the rate of change of the magnetic flux.

3 0
3 years ago
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