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kirill [66]
3 years ago
6

HURRY!!! I only have 14 more minutes

Physics
2 answers:
DochEvi [55]3 years ago
8 0

Answer:

B-cells

T-cells

stem cells

Im like 95% sure good luck

Explanation:

I passed biology and science

Bogdan [553]3 years ago
3 0
The correct answer is C. B-cells
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On an ice skating rink, a girl of mass 50 kg stands stationary, face to face with a boy of mass 80 kg. The children push off of
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The velocity of the girl is  -4.8 m/s.

Using the principle of conservation of linear momentum, The total momentum of  bodies before and after collision is constant. Since the two objects are stationary, the initial momentum of each body is zero.

Thus;

0 = (80 × 3) + (50 × v)

0 = 240 + 50 v

-240 = 50 v

v = -240/50

v = -4.8 m/s

Note that the negative sign shows that the velocity of the girl is in opposite direction that that of the girl.

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The SAF operates the M113 Ultra APC.
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The volume of the object must be no larger than 11.15 m^3.

Explanation:

In order for an object to be able to float in water, its density must be equal or smaller than the water density.

The density of water is:

\rho = 1000 kg/m^3

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We also know that the density of an object is given by

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For the object in this problem, the mass is

m=1.115\cdot 10^4 kg

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Define thermal conductivity.
ladessa [460]

Answer:

A measure of the ability of a material to transfer heat.

Explanation:

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All stars in a stellar cluster have roughly the same:___.
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All stars in a stellar cluster have roughly the same distance.

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Though stellar associations are grouped in with megastar clusters, they're pretty a bit different. "Stellar associations are companies of tens to hundreds of stars that have similar a while and metallicities, and are moving in roughly the equal direction within the galaxy, but are no longer gravitationally bound," Geller said.

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Answer:

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