<span>The generation of electricity is done through the concert of energy conversion. A dam generating electricity from water flowing downhill is an example of how systems take advantage of energy flowing from high to low. Turbines play a huge part in generating electric power after the water passes through the spinning turbines and this water is left back to the river.</span>
1. A delicious cup of hot soup
2. My very talented mother
3. The baby in the perambulator
4. The rotten eggs
5. That clumsy little girl
6. The thief with the beard
The answer is B, the average kinetic energy increases.
Kinetic energy is energy of motion, So by making a liquid then a gas, you can see the molecules are more mobile meaning an increas in Kinetic energy :)
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Answer:
The mass of the string and new frequency are 20.78 g and 40.0 Hz.
Explanation:
Given that,
Frequency = 50.0 Hz
Mass per unit length = 0.115 g/m
String length = 210.4 cm
Number of loops = 5
We need to calculate the mass is hung from the string
Using formula of frequency
Where, f = frequency
M = mass per unit length
T = tension
Put the value into the formula
We need to calculate the new frequency for 4 loops
Using formula of frequency
Hence, The mass of the string and new frequency are 20.78 g and 40.0 Hz.
Answer:
The velocity of the blood in the thinner arteries is 0.1 times that of the thicker artery.
Explanation:
To find the velocity of the blood we need to use the continuity equation:
(1)
<u>Where</u>:
n: is the number of branches
A: is the cross-sectional area
v: is the velocity
For artery 1, we have:
n₁ = 1, A₁ = 1 cm², v₁ = v
For the 20 arteries (2), we have:
n₂ = 20, A₂ = 0.5 cm², v₂ =?
By using equation (1):
Therefore, the velocity of the blood in the thinner arteries is 0.1 times that of the thicker artery.
I hope it helps you!