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3 years ago

Thick fuild in sinuses

1 answer:

6 0

You will always have mucus fluid, but if you are healthy it is thin. When your sinuses become enflamed the mucus becomes thick.

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1.A particle is moving up an inclined plane. Its velocity changes from 15m/s to 10m/s in two seconds. What is its acceleration?

FrozenT [24]

$\huge{ \underline{ \boxed{ \bf{ \blue{Solution:}}}}}$

<h3><u>Provided</u><u>:</u><u>-</u></h3>

Initial velocity = 15 m/s
Final velocity = 10 m/s
Time taken = 2 s

Accleration of the particle....?

<h3><u>How</u><u> </u><u>to</u><u> </u><u>solve</u><u>?</u></h3>

We will solve the above Question by using equations of motion that are:-

v = u + at
s = ut + 1/2 at²
v² = u² + 2as

Here,

v = Final velocity
u = Initial velocity
a = acceleration
t = time taken
s = distance travelled

By using first equation of motion,

⇛ v = u + at

⇛ 10 = 15 + a(2)

⇛ -5 = 2a

Flipping it,

⇛ 2a = -5

⇛ a = -2.5 m/s² [ANSWER]

❍ Acclearation is negative because final velocity is less than Initial velocity.

<u>━━━━━━━━━━━━━━━━━━━━</u>

5 0

4 years ago

An object of mass 3.07 kg, moving with an initial velocity of 5.07 m/s, collides with and sticks to an object of mass 2.52 kg wi

Alenkasestr [34]

Answer:

This is an inelastic collision. This means, unfortunately, that KE cannot save you, at least in the problem's current form.

Let's see what conservation of momentum in both directions does ya:

Conservation in the x direction:

Only 1 object here has a momentum in the x direction initally.

m1v1i + 0 = (m1 + m2)(vx)

3.09(5.10) = (3.09 + 2.52)Vx

Vx = 2.81 m/s

Explanation:

Conservation in the y direction:

Again, only 1 object here has initial velocity in the y:

0 + m2v2i = (m1 +m2)Vy

(2.52)(-3.36) = (2.52 + 3.09)Vy

Vy = -1.51 m/s

++++++++++++++++++++

Now that you have Vx and Vy of the composite object, you can find the final velocity by doing Vf = √Vx^2 + Vy^2)

Vf = √(2.81)^2 + (-1.51)^2

Vf = 3.19 m/s

3 0

4 years ago

What effect would the incomplete drying of a sample (for example, the incomplete removal of a recrystallization solvent) have on

antiseptic1488 [7]

Answer:

The melting point will be lowered and broadened.

Explanation:

The melting point of a substance is the temperature at which the substance changes state from solid to liquid. The incomplete drying of a sample may result in the presence of impurities. There is presence of solid sample in the solution that fails to dry. The solid sample is not fully crystallized from the solvent or any other liquid with which it can form a true solution. The presence of these impurities in a sample for example, the incomplete removal of a recrystallization solvent cause the melting point to both lowered and broadened.

4 0

3 years ago

An 8000-kg engine pulls a 40,000 kg train along a level track and gives it an acceleration a1 = 1.20 m/s 2 . What acceleration (

mel-nik [20]

a = F/(m1+m2)
1.2 = F/48,000
F = 57,600N

a = F/(m1+m3)
a = 57,600/24,000
a = 2.4 m/s^2

8 0

4 years ago

The properties of ductility, malleability, ability to conduct heat and electricity are characteristics of what type of material?

laiz [17]

These are the characterstics of metal.

hope it helps u........

8 0

4 years ago

Read 2 more answers