Answer: Heyo Kenji Here! Here's your answer- As expressed by the equation, potential energy depends upon the mass and the height of the object. Any increase in these two quantities will lead to an increase in the amount of potential energy possessed by the object.
Explanation: Hope this helps!
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- Kenji ^^
The ____ of emitted light depends directly on the energy between the two orbits and this determines the color of the light
The frequency of emitted light is directly proportional to the energy between the two orbits and this determines the color of the light.
What is light?Light can be defined as a form of electromagnetic waves that does not require any medium for its propagation. This ultimately implies that, light is a form of wave that is generally referred to as a visual signal because it can be seen with the eyes.
According to the model of light wave, the frequency of emitted light is directly proportional to the energy between the two orbits and this determines the color of the light.
In conlcusion, the frequency of emitted light is highly dependent on the energy between the two (2) orbits.
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atmospheric pressure is measured in all of the following units except ……… ? A. torr B. pascal C. bar D. newton?
Answer:
C. Bar
Explanation:
The voyager 1 spacecraft is currently 20.7 billion km from earth and heading out of our solar system. how long does it take radio messages from voyager 1 to reach us
Answer:
20.7 billion = 20.7E9 converting to units of 10
20.7E9 km = 20.7E12 m
t = S /v = 20.7E12 m / 3.0E8 m/s = 6.9E4 s = 69000 s
69000 s = 1150 min = 19.2 hrs
What is one way that light waves differ from sound waves?
Well light waves are rays of energy and sound waves are vibrations that tun into sound from our ears.
Hope it helps!
A proton is to orbit Earth at the equator using Earth's magnetic field to supply part of the necessary centripetal force. In what direction should the proton move
An ideal gas is taken through a cyclic thermodynamic process through four steps. The amounts of heat given to the system in these steps are Q{1} = 1000J, Q{2} = - 800J, Q{3} = 450J , Q{4} = - 200 J respectively. The efficiency of cycle is nearly
Need full Explanation ! Answer is already marked in attachment just need the explanation or the way to reach the answer
We are given to find efficiency of the cycle.
We Know
Efficiency is denoted by the symbol "η"
[tex] \text{η\%} = \frac{ \text{Output Work}}{ \text{Heat Supplied } } \times 100[/tex]
As it is a cyclic process, So,
[tex] \triangle \text{U} = 0 \\ \implies \triangle \text{ Q} = \triangle \text{W} + \triangle \text {U} \\ \implies\triangle \text{ Q} = \triangle \text{W} + 0 \\ \implies \triangle \text{Q} = \triangle \text{W}[/tex]
[tex] \text{Let us first calculate} \: \triangle \text{Q}[/tex]
[tex]\triangle \text{Q} = \text{Q}_1 + \text{Q}_2 + \text{Q}_3 + \text{Q}_4[/tex]
[tex]\triangle \text{Q} = 1000 + ( - 800) + 450 + (- 200) \\ \\ \implies\triangle \text{Q} = 1000 - 800 + 450 - 200 \\ \\ \implies \triangle \text{Q} = 450 \text{J}[/tex]
[tex]\therefore \text{ Net Output Work i.e., ∆W = 450 J}[/tex]
Now, We need to find the Heat Input.
We know, Heat Input is always the sum of all positive heats
[tex] \because {∆Q_{in}} = \text{∆Q}_1 + \text{∆Q}_3 \\ \\ 1000 + 450 = 1450 \text{J}[/tex]
Now We Have To Find The η%
[tex] \text{η\%} = \frac{ \text{Output Work}}{ \text{Heat Supplied } } \times 100[/tex]
[tex] \text{η\%} = \frac{ \text{450}}{ \text{1450 } } \times 100 \\ \\ \implies \text{η\%} = \frac{ \text{450}}{ \text{145} \cancel{0 } } \times 10 \cancel0 \\ \\ \implies\text{η\%} = \frac{ \text{450}}{ \text{145 } } \times 10 \\ \\ \implies{ \text{η\%}} = \frac { \cancel{450}}{ \cancel{145}} \times 10 \: \: \: \: \fbox{cancelling by 5} \\ \\ \implies{ \text{η\%}} = \frac{90}{29} \times 10 \\ \\ \implies{ \text{η\%}} = 31.0344\% \\ \\ \implies{ \text{η\%}} = \red{31\%}[/tex]
Option A= 31% is the correct answer
Hope this helps!!. Suppose an electron is chasing a proton up this page when suddenly a magnetic field pointing into the page is applied. What would happen to each of the particles
The proton and electron experience forces to the left and right of the page, the particles would separate to the left and right respectively after the magnetic field is applied.
To know what would happen to each particle when a magnetic field pointing in the direction of the page is applied, we need to know the direction of the force acting on the particles due to this magnetic field according to fleming's left hand rule
What is Fleming's left hand rule?
This states that when the thumb, the middle-finger and fore-finger of the left-hand are held at right angles to each other, the magnetic field points in the direction of the fore-finger, the current (or direction of charge) points in the direction of the middle finger and the force on the conductor or charge points in the direction of the thumb.
What is the direction of force on the proton?
Since the direction of the proton is up the page and the direction of the magnetic field is into the page, the direction of the force according to fleming's left hand rule is to the left of the page.
What is the direction of force on the electron?Since the direction of the electron is up the page (it is in the direction of the conventional current or positive charge in the other direction) and the direction of the magnetic field is into the page, the direction of the force according to fleming's left hand rule is to the right of the page.
Since both the proton and electron experience forces to the left and right of the page, the particles would separate to the left and right respectively after the magnetic field is applied.
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if the north pole of one magnetic is brought near the south pole of another magnet, the poles will
Answer: Heyo Kenji Here! Here's your answer-If the north pole of a magnet is brought near the south pole of another magnet, they will get attracted towards each other.
Explanation: Hope this helps!
Have a nice day!
- Kenji ^^
Answer:
If the north end of a magnet is brought near the south end of another magnet, they will get attracted towards each other. Remeber oppsites attrcat. The same repeal.
Explanation:
Hope This Helps
Have A Great Day
~Zero~
A certain lever system is only 30% efficient. The following changes are considered:
change 1: Use a stiffer lever to reduce energy lost bending the lever.
change 2: Make a longer lever that will require less force.
Which change would make the lever more efficient?
Change 1 would make the lever more efficient because less energy would be lost.
Change 2 would make the lever more efficient because this would make it easier to lift.
Change 1 would make the lever more efficient because this would make it easier to lift.
Change 2 would make the lever more efficient because less energy would be lost.
Answer: Change 2 would make the lever more efficient because this would make it easier to lift.
Explanation:
The considered change is: Make a longer lever that will require less force because it would make the lever more efficient because this would make it easier to lift.
What is lever?A beam is pivoted at a fixed fulcrum, to form a simple machine known as a lever. A body that can rotate about a point on itself is called a lever.
The lever is classified into three types based on where the fulcrum, weight, and effort are located. Additionally, leverage is a systemic mechanical advantage.
One of the six simple devices that Renaissance scientists identified. Leverage is the ability to increase an input force into a bigger output force through the use of a lever. The mechanical advantage of the lever is determined by the ratio of output force to input force.
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1 point
What is the x component of a vector that is defined as
852m at 302°?
The x component of a vector that is defined as 852 cos 302°. Both the direction and the magnitude are required to define.
What is vector?Vectors seem to be a physical quantity with both magnitude and direction. While the scaler is the only quantity which is defined by the magnitude.
For example, distance is the scaler and the displacement is the vector quantity. Vector is shown by an arrow on the quantity.
A vector's scalar x-component is equal to the product of its magnitude and the cosine of its direction angle.
Hence, the x component of a vector that is defined as 852 cos 302°.
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A 20 kg satellite has a circular orbit with a period of 2.7 h and a radius of 8.5 106 m around a planet of unknown mass. If the magnitude of the gravitational acceleration on the surface of the planet is 8.4 m/s2, what is the radius of the planet
Answer:
the radius of the planet is 10.10
what is the density of the acid in a car battery if 200 mL of acid has a mass of 240 g
Answer:
d = 240 g/200 mL = 1.2 g/mL = 1.2 g/cm3
Explanation:
Who gathered the data that showed planets traveling in elliptical paths around the sun? who discovered elliptical orbits? who explained them?.
Answer:
1. Who gathered the data that showed planets traveling in elliptical paths around the sun?
2. Who discovered elliptical orbits?
3. Who explained them?
Explanation:
1. Tycho Brahe was the one that gathered data.
2. Johannes Kepler discovered it using Tycho Brace’s Data.
3. I believe it was Johannes Kepler because he created 3 laws of it.
I apologize if it is incorrect-
I hope it helps! Have a great day!
Anygays-
ACTIVITY 3: THE CHOICE IS YOURS!
Directions: Read each item carefully. Choose the letter of the best answer.
____1. What is the advantage of an electromagnet compared to a permanent magnet?
A. Electromagnet is lighter.
B. Electromagnet can be turned on and off.
C. Permanent magnet cannot be used to pick up metals.
D. Electromagnet can be used for attracting more metals.
____2. What are the factors that affect the strength of an electromagnet?
A. Battery, magnet, and core
B. Dry cells, nail, and magnet
C. Number of coil, number of magnets, and wire
D. Number of coils/wire, number of batteries/dry cells, and properties of the core
____3. What could make an electromagnet stronger?
A. Use a weaker battery.
B. Reverse the poles of the magnet.
C. Remove all the coils and the nail.
D. Add more coils of wire to the nail.
____4. Complete this sentence:
"In order to form an electromagnet, a/an _______ current should flow through a coil of
______ covered around a/an ______ core. "
A. Electric, wire, iron C. Iron, electric, wire
B. Iron, wire, electric D. Wire, iron electric
_____5. You conducted an experiment using a very strong electromagnet. How can
you make it weaker?
A. Add more loops. C. Add more batteries.
B. Use a thicker wire. D. Wrap the wire loosely.
(LAS)-Science week 6 QR-3
Answer:
1 B 2 D 3 D 4 DC wire ferrite 5 D
Explanation:
If the force that propels the cannonball forward is 500 N, how much force will move the cannon
backward? Explain.
Answer:
500N
Explanation:
This is due to Newton's third law of motion. For every action, there is an equal and opposite reaction. This encapsulates the conservation of momentum into a single idea.
What is wave speed ? A. the distance a wave travels in a given amount of time B. the height of a wave C. the same no matter what the medium D. the distance between two similar points on a wave
Answer:
The answer is A
Explanation:
The distance that a wave length travels
Answer:
The correct Answer is A. The distance a wave travels in a given amount of time.
Hope this helps you!!!
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What direction would the north pole of a bar magnet point if you were to hang the bar magnet from a thin string?.
Whcen the north pole is tilted toward the sun, which area has the fewest hours of daylight?.
When the north pole is tilted toward the sun, the southern hemisphere has the fewest hours of daylight due to winter season in it.
Which area has the fewest hours of daylight?When the North Pole is tilted toward the sun, the Northern Hemisphere has the most hours of daylight while on the other hand, the Southern Hemisphere has the least hours of daylight.
So we can conclude that When the north pole is tilted toward the sun, the southern hemisphere has the fewest hours of daylight due to winter season in it.
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Whats a main difference between Earth and Jupiter?
Answer:
Jupiter has a diameter of about 88,695 miles (142,800 kilometers) which is more than 11 times the diameter of Earth
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I need help this is for physical Science! (need asap)
Answer:
2 seconds
Explanation:
mhm
Why does the force of gravity increase when one object gets closer to another object?
Answer:
because the gravity gets stronger as the 2 objects get closer. so the 2 are basicly merging
Explanation:
Since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. So as the mass of either object increases, the force of gravitational attraction between them also increases.
hope this helps!
FUN FACT: we achaly all have gravity, its just so weak that we cant feel it.
A star of apparent magnitude +1 appears _____ than a star of apparent
magnitude +2.
O fainter
O farther away
o either brighter or fainter, depending on the distance to the stars
O brighter
A star of the apparent magnitude of +1 would appear farther away than a star of the apparent magnitude of +2. Hence, option B is correct.
What is a star?In astronomy, a star is a brilliant plasma spheroid that is held together through gravity. The Sun is the planet's closest star. The human eye can see a great number of other stars at night, but due to our planet's size, they seem alike stationary points of light.
Numerous of the shining stars were given names, whereas the most notable stars have been grouped into constellations and asterisms. The known stars have been recognized and given standard designations in star inventories that astronomers have put together.
The birth of a star is caused by the gravitational attraction of a gaseous nebula made largely of hydrogen, helium, and traces of transition metals. Its overall mass is the primary factor influencing how it will develop and end up.
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Kate wants to know which foil paper keeps bread fresher. She wraps three identical
pieces of bread in different types of Foil paper. She placed the pieces of bread in her
kitchen counter for one week. What scientific term describes the pieces of bread?
A.constant
B. responding variables
C. prediction
D. manipulated variables
A. constant
Answer:
hi
Explanation:
The answer is Responding Variables Hope this helps :D
What wave property is described as the number of waves produced by a source each second.
Answer:
Frequency
Explanation:
The Frequency of a wave is the number of waves produced by a source each second
hich of these actions would increase heat transfer between two objects?
establishing their thermal equilibrium
increasing the area of their contact
using objects with similar specific heats
reducing the time of their contact
Answer:
increasing the area of their contact
Explanation:
What planet is named for the roman god of commerce, travel, and thievery?.
Answer:
The answer would be Mercury.
Explanation:
Due to its fast travel across the sky, the planet has been given this name. Mercury was named for the fast-moving messenger god of Rome. The planets received their names from the ancient Greeks because they believed that the moving stars in their night sky were their gods going about their activity, so... the planets were named after Roman gods.
Hope this helps! :D
What gas law states that volume and pressure are inversely proportional at constant temperature and moles?.
Answer: Boyle's Law
Explanation:
Boyle's law states that the volume and pressure are inversely proportional to each other at constant temperature and moles
Ie. Boyle’s law: PV = constant at constant T and n or:
[tex]P_{1} V_{1}=P_{2} V_{2}[/tex]
What is the angle of incidence if the total angle between the incidence ray and reflected ray is 70⁰
Answer:
35°
Explanation:
By laws of reflection,
Angle of incidence = Angle of reflection
Angle between incident ray and reflected ray = 70°
Angle of incidence + Angle of reflection = 70°
Since,
Angle of incidence = Angle of reflection
Angle of incidence + Angle of incidence = 70°
2 Angle of incidence = 70°
Divide 2 on both sides,
Angle of incidence = 70° / 2
Angle of incidence = 35°
The amount of work done to produce a sound determines which property of sound waves?.
Huge loops of gas that link different parts of sunspot regions are called.
Answer:
Prominences
Explanation: