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MariettaO [177]
3 years ago
9

Answer them all please!!

Physics
1 answer:
stepladder [879]3 years ago
7 0

Answer:

Digestive = large instestine

respiratory = lungs

circulatory red blood cell

neurons=nerves

Explanation:

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Will mark as BRAINLIEST.......
irinina [24]

Explanation:

It is given that,

The Displacement x of particle moving in one dimension under the action of constant force is related to the time by equation as:

x=4t^3+3t^2-5t+2

Where,

x is in meters and t is in sec

We know that,

Velocity,

v=\dfrac{dx}{dt}\\\\v=\dfrac{d(4t^3+3t^2-5t+2)}{dt}\\\\v=12t^2+6t-5

(a) i. t = 2 s

v=12(2)^2+6(2)-5=55\ m/s

At t = 4 s

v=12(4)^2+6(4)-5=211\ m/s

(b) Acceleration,

a=\dfrac{dv}{dt}\\\\a=\dfrac{d(12t^2+6t-5)}{dt}\\\\a=24t+6

Pu t = 3 s in above equation

So,

a=24(3)+6\\\\a=78\ m/s^2

Hence, (a) (i) v = 55 m/s (ii) v = 211 m/s and (b) 78 m/s²

6 0
3 years ago
What is the frequency of radiation emitted by a photon of light if the energy released during its transition to ground state is
Tpy6a [65]
Energy (E) = Planck's constant (h) * frequency (nu)
3.611*10^{-15}J = 6.626 * 10^{-34} * frequency
therefore, frequency ~ 5.45*10^{18}
8 0
3 years ago
Read 2 more answers
Quantity A of an ideal gas is at absolute temperature T, and a second quantity B of the same gas is at absolute temperature 2T.
Ira Lisetskai [31]

Answer: Yes both gases would have the same entropy.

Explanation:

The formula for the change in the entropy is as follows,

\Delta S = \frac{Q}{T}

Here, \Delta S is the change in the entropy, Q is the heat transfer and T is the temperature.

If the temperature of the system increases then there will be increase in the entropy as the randomness of the system increases.

In the given problem, if the both gases were initially at the same absolute temperature. Then there will be same entropy change in both gases.

Therefore, yes both gases would have the same entropy.

5 0
3 years ago
Read the following passage and find the two errors. Then, choose the answer that
solmaris [256]

Answer:

O pH is a measure of the concentration of H+ ions in a solution of an acid or base. The pH plots

the concentration of solutions in a range from 0-14.

Explanation:

pH is a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral.

6 0
2 years ago
Which describes the refraction of a wave?
Nat2105 [25]

The answer is B. light changes direction moving through the lens of a magnifying glass

7 0
3 years ago
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