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Nutka1998 [239]
3 years ago
12

When is systolic pressure measured? When is diastolic pressure measured?

Physics
1 answer:
Lera25 [3.4K]3 years ago
3 0

Systolic pressure is measured when the heart beats and the muscles are contracted. Diastolic Pressure is to measure the pressure on blood vessels when the muscles of the heart are relaxing.

<h3><u>Explanation:</u></h3>

Blood pressure is the pressure that is put on blood vessels and the heart muscles when it is pumping blood. The blood pressure can be categorized as high and low. Both of them come with medical consequence and require attention and treatment.

The measurement of blood pressure contains two values:

Systolic Blood Pressure: When the blood is being pumped through the heart, a certain amount of pressure is applied on the arteries and contracted muscles of the heart. The pressure is measured to check if a person has a risks of heart strokes or attacks as well as kidney failures.

Diastolic Blood Pressure: When the blood is being pumped through the heart, a certain amount of pressure is applied on the blood vessels when the muscles are relaxing. The pressure is measured to prevent lack of oxygen that may cause severe damage to brain, heart and normal functionality of the individual.

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Consider what happens at the moment when the block leaves the surface of the globe. Which of the following statements are correc
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Answer:

Statement 1 and 3 are correct.

Explanation:

1. The mass moves  downward, so the net acceleration of the block is straight downward.

2.The mass is sliding through the globe, so only the force of gravity is acting on the mass which pulls it in downward direction. The force of gravity has two components [mg sin∅] and [mg cos∅].

6 0
3 years ago
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A rollercoaster car has 2500 J of potential energy and 160 J of
lara31 [8.8K]

Answer:

E_{k2}=2660 [J] kinetic energy.

Explanation:

The energy in the initial state i.e. when the rollercoaster is at the top is equal to the energy in the final state i.e. when it is at the bottom of the hill.

These states can be represented by means of the second equation.

E_{k1}+E_{p1}=E_{k2}\\160 + 2500 = E_{k2}\\E_{k2}=2660 [J]

Since the rollercoaster is located in the bottom of the hill where the potential energy level is zero, therefore there is only kinetic energy in the second state.

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3 years ago
A car tire has a pressure of 325 kPa when the temperature is 10 C. If the temperature of the tire rises to 50 C and its pressure
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3 0
3 years ago
a model of a plane in different parts of the atmosphere uses a scale of 1:4,000. if a plane flies at an altitude of 2,000 feet,
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Answer:

2ft

Explanation:

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Two equally charged, 2.098 g spheres are placed with 3.338 cm between their centers. When released, each begins to accelerate at
photoshop1234 [79]

Answer:

2.64\times 10^{-7} C

Explanation:

There are two spheres name 1 and 2 and they posses the same charge, which is +q.

And they have equal mass which is 2.098 g.

The distance between these two spheres is, r=3.338 cm.

And the acceleration of each sphere is, a=269.429 m/s^{2}.

Now the coulumbian force experience by 1 sphere due to 2 sphere,

F_{21} =\frac{q^{2} }{4\pi\epsilon_{0} r^{2}  }.

And also the newton force will occur due to this force,

F_{21}=ma.

Now equate the above two values of force will get,

\frac{q^{2} }{4\pi\epsilon_{0} r^{2}  } =ma

Further solve this,

q^{2}=ma4\pi  \epsilon_{0} r^{2}.

Substitute all the known variables in above equation,

q^{2}=(2.098\times 10^{-3} )(269.429)(4(3.14))(8.85\times 10^{-12})(3.338\times 10^{-2}).

q=2.64\times 10^{-7} C.

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