4 years ago

Which phase of cell division results in the formation of 4 new haploid cells

Physics

1 answer:

Alexandra [31]4 years ago

7 0

The answer to your question is Meiosis.

Hope this helps! God bless
-vf

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In a Joule experiment, a mass of 6.51 kg falls through a height of 66.8 m and rotates a paddle wheel that stirs 0.68 kg of water

MatroZZZ [7]

Explanation:

As the given data is as follows.

m = 6.51 kg, g = 9.8 $m/s^{2}$ , h = 66.8 m

mass of water (M) = 0.68 kg, Specific heat of water = 4200 $J/kg^{o}C$

$T_{1} = 15^{o}C$

According to the given situation, the decrease in potential energy of mass will be equal to heat energy gained by water.

Therefore,

mgh = $m \times C \times (T_{f} - T_{i})$

$6.51 kg \times 9.8 \times 66.8 m = 0.68 kg \times 4200 J/kg^{o}C \times (T_{f} - 15)^{o}C$

4261.7064 = $2856 (T_{f} - 15)^{o}C$

1.492 = $T_{f}$ - 15

$T_{f} = 16.492^{o}C$

So, $\Delta T = (16.492 - 15)^{o}C$

= $1.492^{o}C$

Therefore, we can conclude that rise in temperature will be $1.492^{o}C$ .

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4 years ago

a person whose mass is 72 kg has a momentum of 700 kg/m/s (E) .What velocity must this person be travelling at?(2 sig figs)

liberstina [14]

From the information given, the mass of the moving body, which in this case is a person, is 72 kg and the momentum 700 kg m/s. we use the formula p = m × v. Where p is momentum, m is the mass and v is the velocity. We need v so we rewrite the equation thus: v = p/m In our case p = 700 and m = 72 v = p/m → v = 700/ 72 → v = 9.72 Therefore the person is travelling at 9.72 m/s

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3 years ago

Usimov [2.4K]

Answer:

Explanation:

are these 3 questions?

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4 years ago

Electromagnetic waves are sometimes demonstrated by rippling waves in water. However, electromagnetic waves are different from w

algol [13]

The answer is D: all electromagnetic waves can travel in a vacuum

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