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dmitriy555 [2]
3 years ago
5

Can someone explain what streamlining is in a simple way with an example.

Physics
1 answer:
Usimov [2.4K]3 years ago
6 0
Imagine a car, and imagine you see little arrows below and beneath it, just around it. <span>The path of a particle that is flowing steadily and without turbulence in a fluid past an object.</span>
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Why does a liquid need a container and a solid doesn't?
mamaluj [8]
It is mainly because a solid has a much stronger atom bonds compared to liquid
When liquid is poured, it will always tried to fill up its container because the weakness in its atom bond allow it to do so.
Meanwhile, the form of a solid will stay exactly the same no matter where we put it because the strength of their bond will retain their form.

7 0
3 years ago
In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum equal to 2.6 cm. A second project
Trava [24]

Answer:

  Second  projectile is 1.4 times faster than first projectile.

Explanation:

By linear momentum conservation

Pi = Pf

m x U + M x 0 = (m + M) x V

U= \dfrac{(m + M)\times V}{m}

Now Since this projectile + pendulum system rises to height 'h', So using energy conservation:

KEi + PEi = KEf + PEf

PEi = 0, at reference point

KEf = 0, Speed of system zero at height 'h'

KEi = \dfrac{(m + M)\times V^2}{2}

PEf = (m + M) g h

So,

\dfrac{(m + M)\times V^2}{2} + 0 = 0+ (m + M) g h

V =\sqrt {2gh}

So from above value of V

Initial velocity of projectile =U

U=\dfrac{(M+m)\sqrt{2gh}}{m}

Now Since mass of projectile and pendulum are constant, So Initial velocity of projectile is proportional to the square root of height swung by pendulum.

Which means

\dfrac{U_2}{U_1}=\sqrt{\dfrac{h_2}{h_1}}

U_2=\sqrt{\dfrac{h_2}{h_1}}\times U_1

U_2=\sqrt{\dfrac{5.2}{2.6}}\times U_1

U₂ = 1.41 U₁

Therefore we can say that ,Second  projectile is 1.4 times faster than first projectile.

4 0
3 years ago
During the photoelectric effect experiment, a photon is emitted with 5.73 x10-20 J of kinetic energy. If the work function of th
Lapatulllka [165]

Answer:

Frequency of incident light = 995×10 12

Explanation:

hope this helped you :)

4 0
2 years ago
What does the membrane in the cochlea do<br> what is the membranes function in the ear
elena-14-01-66 [18.8K]

The cochlea detects sound and is tonotopically organized

The cochlea is the auditory sense organ within the inner ear that is responsible for hearing. The cochlea is a coiled, fluid-filled tube that is split into three chambers by two membranes, Reissner's membrane and the basilar membrane

6 0
2 years ago
What two elements are named after Dimitri Mendeleev?
bezimeni [28]
I'm pretty sure there is only one element named after Mendeleev: <span>Mendelevium.</span>
8 0
3 years ago
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