3 years ago

Asteroids are _ than planets but _ meteoroids.

Physics

1 answer:

a_sh-v [17]3 years ago

6 0

B smaller;larger than

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Laminar flow, where water moves in approximately straight-line paths, characterizes ________.

densk [106]

Answer:

b. slow-moving streams.

Explanation:

In Fluid Mechanics, the Reynolds numbers indicates the existence of turbulence in fluid streams. Low Reynolds numbers are related with laminar flow. The Reynolds formula is:

$Re = \frac{\rho_{water} \cdot L_{c}}{\mu_{water}} \cdot v$

The Reynolds number is directly proportional to fluid speed. Hence, slow-moving streams are a sound example of laminar flow. The correct answer is B.

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3 years ago

Help 30 points and willgive brainliest

MissTica

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3 years ago

Which of the following is not something that the atmosphere does for us?

Masja [62]

Tha atmosphere has no effect on gravity.

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3 years ago

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Can someone please answer this for me

UNO [17]

Because in my opinion they do bending of a light wave as it passes at an angle from one medium to another.

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3 years ago

An electron moves through a uniform electric field vector E = (2.80î + 5.20ĵ) V/m and a uniform magnetic field vector B = 0.400k

alina1380 [7]

Answer:

1.758820×10^11(-2.5i-0.8j) m/s^2

Explanation:

From the question, the parameters given are; E=(2.80i+ 5.20j) v/m, a uniform magnetic field,B= 0.400K T, acceleration, a= ??? and velocity vector, v= 11.0i metre per seconds (m/s)...

We can solve this problem using the formula below;

Ma= q[E+V × B] ---------------(1).

Note: q is negative, m= mass of electron.

Making acceleration,a the subject of the formula and substituting the parameters into equation (1);

a= -e/m × (2.5i + 5.2j +11.0i × 0.400K)

a= -e/m × (2.5i+5.2j-4.4j)

a= e/m × (-2.5i - 0.8j)

e/m= 1.758820×10^11 c/kg

Therefore, slotting in the value of charge to mass(e/m) ratio;

a= 1.7588×10^11×(-2.5i-0.8j) m/s^2

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3 years ago

Asteroids are _____ than planets but _____ meteoroids.

Asteroids are _ than planets but _ meteoroids.