write short note on land and sea breeze. diagram needed
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38.A student heard the echo of his voice from a nearby solid object after 2se. How far away
is the solid object? The speed of sound in air is 170m/s.
A. 85m
B. 170m
C. 300m
D. 340m
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Answer:
B. 170m
Question explained in the photo attached
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as the mass of an object increases, it’s inertia will
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Answer:
Inertia is the property of mass that resists change. Therefore, it is safe to say that as the mass of an object increases so does its inertia.
Explanation:
Which arrow, A, B, or C, depicts the force of gravity on the thrown football?.
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Gravitation is a natural law by which all things with all matter are attracted towards one another. gravity causes weight to all matter. Arrow A clearly depicts the effect of gravity.
What is gravity?Gravitation is a natural law by which all things with all matter are attracted towards one another. gravity causes weight to all matter and the gravity of the moon causes the ocean tides.
Gravity is responsible for large-scale structures present in the Universe. Gravity has an unlimited range, although its effects depend on the distance.
Distance is inversly propotional to the gravity acts on a matter.
Arrow a line is a complete verticle line on the y axis that depicts that the effect of gravity is maximum shown in arrow A. Hence arrow A clearly depicts the effect of gravity.
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Answer:
The answer is arrow A.
Explanation:
How can you remove energy from matter? Question 10 options: By increasing its volume By lowering its temperature By increasing its pressure By boiling it.
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Answer: YA i got u!!! got 20/20, so its correct
Explanation:
By lowering its temperature, you can remove energy from matter.
What is thermal energy?Thermal energy is the energy that is generated by the movement of particles in matter. It is a form of kinetic energy that results from the motion of atoms or molecules in a substance. The faster the particles move, the more thermal energy they have. Thermal energy can be transferred from one substance to another by conduction, convection, or radiation. It is a fundamental aspect of many physical processes, including thermodynamics and heat transfer, and is central to the study of energy and its applications in science and engineering.
As the temperature of a substance decreases, the motion of its molecules and atoms also decreases, which results in a decrease in its thermal energy.
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A golf ball moving forward with a momentum of 1.0 kg m/s strikes and bounces backward off a heavy bowling ball that is initially at rest and free to move. The momentum of the bowling ball after collision is:_____.
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Answer:
The same
Explanation:
Momentum is conserved before and after collision.
Hope this helps!
When considering the wavelength of a radio wave – like the kind you hear when listening to music as you drive along – you would be correct to think that the size is this wave is about as long as:.
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The size of the wavelength of a radio wave is in the order of millions of meters.
What is a radio wave?Radio wave is part of the electromagnetic spectrum. The radio wave is known to travel across a long distance because it has a long wavelength. This means that it has a low energy.
Hence, the size of the wavelength of a radio wave is in the order of millions of meters.
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Answer: Building
Explanation: took a quiz :)
The current that flows from and back to the power supply in a parallel circuit is called __________ current.
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Answer:
mainline current
Explanation:
Current that flows from and back to the power supply in a parallel circuit. Fuse. A type of circuit protection device.
Mainline current
What is Kirchhoff law?
Kirchhoff's Current Law states that the total current entering a junction or a node equals the charge leaving the node as no charge is lost.
According to Kirchhoff Current Law for parallel circuits,
The pair of leads connecting all the branches to the voltage source terminals is the main line. All the current in the circuit must come from one side of the voltage source and return to the opposite side for a complete path. The amount of current in the main line is equal to the total of the branch currents. The total current that flows from the power supply and back.The total current in the main line is equal to the sum of the branch currents.This is known as Kirchhoff’s current law (KCL).It applies to any number of parallel branches, whether the resistances in those branches are equal or not.Therefore,
The current that flows from and back to the power supply in a parallel circuit is called Mainline current current.
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You push on a car and it doesn't move. What is true about inertia in this case?
a) The inertia is changing
b) The inertia of the car is too great
c) the inertia of the person is equal to the car
d) There is no inertia because there isn't any movement
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Answer:
the answer is D
Explanation:
inertia is movement
A satellite is launched from Earth into orbit. What happens to the mass and weight of the satellite?
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Answer:
The mass of the satellite does not matter, as long as the ratio between the satellite's and the orbited object is small. On the other hand, if the masses are closer to each other, like the Earth and its Moon, then the model is more complicated.
Explanation:
A certain kind of light has a wavelength of 850 nm. What is the frequency of this light in hz?.
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So, the frequency of that light approximately [tex] \sf{\bold{3.53 \times 10^{14} \: Hz}} [/tex]
IntroductionHi ! I will help you to explain the relationship between velocity of electromagnetic waves in a vacuum with frequency and wavelength. We all know that all of the type of electromagnetic wave, will have the same velocity as the speed of light (because the value is a constant), which is 300,000 km/s or [tex] \sf{3 \times 10^8} [/tex] m/s. As a result of this constant property, the shorter the wavelength, the greater the value of the electromagnetic wave frequency. This relationship can also be expressed in this equation:
[tex] \boxed{\sf{\bold{c = \lambda \times f}}} [/tex]
With the following condition :
c = the constant of the speed of light in a vacuum ≈ [tex] \sf{3 \times 10^{8} \: m/s} [/tex] m/s[tex] \sf{\lambda} [/tex] = wavelength (m)f = electromagnetic wave frequency (Hz)Problem SolvingWe know that :
c = the constant of the speed of light in a vacuum ≈ [tex] \sf{3 \times 10^{8} \: m/s} [/tex] m/s[tex] \sf{\lambda} [/tex] = wavelength = 850 nm = [tex] \sf{8.5 \times 10^2 \times 10^{-9}} [/tex] m = [tex] \bold{8.5 \times 10^{-7} \: m} [/tex]What was asked :
f = electromagnetic wave frequency = ... HzStep by step :
[tex] \sf{c = \lambda \times f} [/tex]
[tex] \sf{3 \times 10^8 = 8.5 \times 10^{-7} \times f} [/tex]
[tex] \sf{f = \frac{3 \times 10^8}{8.5 \times 10^{-7}}} [/tex]
[tex] \sf{f \approx 0.353 \times 10^{8 -(-7)}}} [/tex]
[tex] \sf{f \approx 3.53 \times 10^{-1} \times 10^{15}} [/tex]
[tex] \boxed{\sf{f \approx 3.53 \times 10^{14} \: Hz}} [/tex]
Conclusion :So, the frequency of that light approximately [tex] \sf{\bold{3.53 \times 10^{14} \: Hz}} [/tex]
See More :What affects photon energy https://brainly.com/question/26434060What is the foton energy https://brainly.com/question/26518899A car starts from rest and speeds up to 30 m/s in a total of 6 s.
What is the acceleration?
1. 5m/s2
2. 30 m/s
3. 24 m/s2
4. 5 m/s
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Water has 10 times the specific heat capacity compared to iron. How much water would be needed to absorb the same amount of heat as a piece of iron?
100 times the mass of iron
10 times the mass of iron
1/100th the mass of iron
1/10th the mass of iron
Answers
Answer: Water has 10 times the specific heat capacity compared to iron. How much water would be needed to absorb the same amount of heat as a piece of iron?
Explanation:
The answer is: 1/10th the mass of iron.
So sorry about that other clown above me, that point farming clown needs to gtfo off the internet.
The tendency of an object to resist a change in its motion is called
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Answer:
inertia
Explanation: