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Ronch [10]
4 years ago
15

What is smallest unit of time.Express its value

Physics
2 answers:
Sever21 [200]4 years ago
7 0

1s = 1.0 \times  {10}^{ - 24} s \:  \: = 1ys
1 ys is the smallest unit of time.
IRISSAK [1]4 years ago
4 0
1ys is the smallest unit of time
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Explain in detail why insulating you’re house will reduce your energy bills.
Anni [7]

Answer:

By insulating our homes, we reduce the demand for energy and burn less fuel, which helps combat climate change and protects the planet. Insulating the loft, walls and floor of your home is a great way to reduce energy bills every year from a one-off activity!

Explanation:

I really hope this helps! Stay safe! ✌

7 0
3 years ago
Chemicals in the air can combine with rain to produce acid rain, which is harmful to the environment. Which of these is most lik
irinina [24]
Hi there!

Normal rain has a pH between 5.0 and 5.5, which is slightly acidic on the pH scale. Acid rain on the other hand has an average pH of 4.0, much more acidic than your average rain.

Therefore, the most likely pH of acid rain would be 4.0.
7 0
3 years ago
Two horizontal pipes have the same diameter, but pipe B is twice as long as pipe A. Water undergoes viscous flow in both pipes,
zheka24 [161]

Answer:

c) 2Q

Explanation:

From the given information:

The pressure inside a pipe can be expressed by using the formula:

\Delta P = \dfrac{128 \mu L Q}{\pi D^4}

Since the diameter in both pipes is the same, we can say:

D = D_A = D_B

where;

length of the first pipe A L_A = L and the length of the second pipe B L_B = 2L

Since the difference in pressure is equivalent in both pipes:

Then:

\dfrac{128 \mu L_1Q_1}{\pi D_1^4} = \dfrac{128 \mu L_2Q_2}{\pi D_2^4}

\dfrac{ L_1Q_1}{D_1^4} = \dfrac{ L_2Q_2}{D_2^4}

\dfrac{ LQ_1}{D^4} = \dfrac{ 2LQ}{D^4}

\mathbf{Q_1 = 2Q}

6 0
3 years ago
Help quick! Plz dont add an answer if you dont know
Bezzdna [24]

Answer:

One reason is the positioning of the earth on its axis. The sun doesn't hit where we live in winter because we are pushed upwards more so we don't get the suns heat. The sun goes down earlier... so we don't have as much sunlight.

In winter the sun is father away from earth and in Summer it is closer...

Explanation:

8 0
3 years ago
In the film, 2001: A Space Odyssey, astronauts travel through space and experience artificial gravity created by a spinning, cyl
katrin2010 [14]

Artificial gravity is created by rotating the cylinder

So here we can say that the acceleration is due to centripetal acceleration

So here we know that the formula of centripetal acceleration is given by

a_c = \frac{v^2}{R}

so here we know that

a_c = 9.8 m/s^2

v = 30.9 m/s

now we will plug in all values

9.8 = \frac{30.9^2}{R}

R = \frac{30.9^2}{9.8}

R = 97.43 m

So above is the radius of the cylinder

Now to find the diameter

d = 2R

d = 2*97.43

d = 194.8 m

so its diameter is 194.8 m

4 0
3 years ago
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