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Alika [10]
3 years ago
11

Stery Test

Physics
2 answers:
Nostrana [21]3 years ago
8 0
The answer is OB. The horse has a greater momentum.
Alekssandra [29.7K]3 years ago
5 0

Answer: B. The horse has a greater momentum

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The volume flow rate of blood leaving the heart to circulate throughout the body is about 5 L/min for a person at rest. All this
skelet666 [1.2K]

Answer:

n=2.9\times 10^9

A=1.88\times 10^{-8}\ m^2

Explanation:

Given that

Q= 5 L/min

1 L = 10⁻³ m³/s

1 min = 60 s

Q=0.083 x 10⁻³ m³/s

d= 6 μm

v= 1 mm/s

So the discharge flow through one tube

q = A v

A=\dfrac{\pi}{4}d^2

A=\dfrac{\pi}{4}\times (6\times 10^{-6})^2\ m^2

A=2.8 x 10⁻¹¹ m²

v= 1 x 10⁻³  m/s

q= 2.8 x 10⁻¹⁴  m³/s

Lets take total number of tube is n

Q= n q

n=Q/q

n=\dfrac{0.083\times 10^{-3} }{ 2.8\times 10^{-14}}

n=2.9\times 10^9

Surface  area A

A= π d L

A=\pi \times 6\times 10^{-6}\times 10^{-3}\ m^2

A=1.88\times 10^{-8}\ m^2

7 0
3 years ago
I NEED help<br><br> A brief explanation on how TV uses radio waves.
Ipatiy [6.2K]
Radio waves<span> have lower frequencies and longer wavelengths than microwaves. They are used to transmit </span>television<span> and </span>radio<span> programmes.</span>Television uses<span> higher frequencies than </span>radio. A radio<span> programme receiver does not need to be directly in view of the transmitter to receive programme </span>signals<span>.</span>
6 0
4 years ago
Please help with this!! I need help asap!
kvasek [131]

Answer:

so a A lunar phase is an angle of the moon to the earth so it appears differently every day. The moon goes through 8 major phases. A new moon is when the moon cannot be seen because we are looking at the unlit half of the Moon. The new moon phase occurs when the Moon is directly between the Earth and Sun. A solar eclipse can only happen at new moon.

Explanation:

hope this helps

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3 years ago
How much heat is needed to raise the temperature of 6g of water by 18oC?
marysya [2.9K]
The answer would be 22.50cal
3 0
4 years ago
I need help please ;)
ElenaW [278]

Answer:

its b.CB

Explanation:

your welcome

8 0
3 years ago
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