The statement that best compares conditions at Location X and Location Y is At Location x, there will be more daylight hours.
What are co-ordinate?
Generally, co-ordinates is the horizontal and vertical distances from the two reference axes are used to describe the position of a point on a coordinate plane
In conclusion, In the diagram, the student has created a model of the sun and the earth. Because the x point is pointing away from the sun, locations on point x receive more light than locations on point Y.
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What is the velocity of a wave with a frequency of 200 Hz and a wavelength of 5 m?
Answer:
5
Explanation:
because you do math and like, yeah
What does the quote means? And do you agree or disagree and if you could change it what would you say?
He did it well ( into negative)
Answer:
He did not do it very well.
Explanation:
He did it well ( into negative)
= He didn't do it well....
Sometimes, supplies can be delivered to people in remote areas by dropping them off from a plane. This is usually the case for ground troops working in areas where planes are unable to land safely. Parachutes are attached to boxes to prevent damage to items when they land. Compare the parachute setups in the image; A has three parachutes attached, B has one parachute attached, and C has two parachutes attached. If every parachute in all three setups are the same size, and each setup was attached to a 50-pound box, which lists the order the boxes would land from slowest to quickest?
A) A, B, C
B) B, C, A
C) А,С, В
D) В, А, С
The order the boxes would land from slowest to quickest is A,C,B which is option C.
What is a Parachute?This is a device used to slow the motion of an object through an atmosphere by creating drag.
The size of the parachute affects the speed of falling because a larger parachute allows it to displace more air, causing it to fall more slowly. The one with three parachutes which is A will fall slowest and the one with just one will fall fastest.
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The modern model of the atom describes electrons in a little less specific detail than earlier models did. Why is it that being less sure about the placement of electrons in an atom is actually an improvement over earlier models?
Electrons do not follow specific paths, so describing the area where an electron is likely to be is more scientifically accurate.
Electrons were thought to be negatively charged, but now scientists know that their charge depends on their energy level.
The modern model is based on mathematical equations, so the results become less clear when the decimals are rounded.
The position of electrons in atomic models has changed so much that it is better to have a less specific model than to be wrong again.
Answer:
A.
Explanation:
Electrons don’t follow specific paths, so describing the area is more likely to be accurate. They orbit in clouds instead.
Answer: A
Explanation: Just got it right.
Please help
how long have people used coal as a source of fuel
A. 200 years
B. 1000 years
C. 3000 years
D. 5000 years
Answer:
c. 3,000
Explanation:
I am guessing 3000 years
How long does it take for a spaceship to get to the moon.
Answer:
about 3 days
It takes about 3 days for a spacecraft to reach the Moon. During that time a spacecraft travels at least 240,000 miles (386,400 kilometers) which is the distance between Earth and the Moon. The specific distance depends on the specific path chosen.
Explanation:
no explanation
Radiant energy, capable of traveling through space is called.
Answer:
Electromagnetic Radiation
Explanation:
Savannah was swimming in a river. She swam downstream at a constant velocity for 10.0minutes. She swam 232meters in that time. What was her velocity?
I think it is 23.2, sorry if I'm wrong
a huge rock out of skateboard gets so hard during the day they can't sit on it from ______.
1) convection
2) conduction
3) radiation
Answer:
2 conduction
Explanation:
Answer:
2) conduction
Explanation:
They can't sit on it due to the heat that is felt as soon as a person comes in contact with itThis is commonly known as "conduction"(b) When the taps are opened, water flows in the pipe for some time. The diagram shows the final water level in container (i) Complete the diagram to show the final water level in container B.
(ii) Explain why the water starts to flow and then stops.
ii) The pressure difference in the two containers starts the flow of the water from container A to B until the pressure becomes equal in both the containers. Pressure causes force on water, because pressure = force/area
Challenge question: An arrow is placed at 3 centimeters to the left of a converging lens. The image appears at 3 centimeters to the right of the lens. What is the focal length of this lens? (HINT: Place a dot to the right of the lens where the image of the tip of the arrow will appear. You will only be able to draw lines 1 and 2. Where does line 1 cross the principal axis if the image appears at 3 centimeters?)
The focal length of the converging lens based on the arrow placed 3 centimeters to the left and the imaged formed 3 cm to the right is 1.5 cm.
Focal length of the converging lensThe focal length of the converging lens is determined by applying the following converging lens formula.
1/f = 1/v + 1/u
where;
v is the image distance = 3 cmu is the object distance = 3 cmf is the focal length = ?1/f = 1/3 + 1/3
1/f = 2/3
f = 3/2
f = 1.5 cm
Thus, the focal length of the converging lens is 1.5 cm.
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A 50 kg mass is sitting on a frictionless surface. an unknown constant force pushes the mass for 2 seconds until the mass reaches a velocity of 3 m/s.
a) what is the initial momentum of the mass?
b) what is the final momentum of the mass?
c) what was the force acting on the mass?
d) what was the impulse acting on the mass?
Answer:
Initial momentum: [tex]0\; {\rm kg \cdot m \cdot s^{-1}}[/tex].
Final momentum: [tex]150\; {\rm kg \cdot m\cdot s^{-1}}[/tex].
Force on the mass (assuming that the force is constant): [tex]75\; {\rm N}[/tex].
Impulse on the mass: [tex]150\; {\rm kg \cdot m \cdot s^{-1}}[/tex].
Explanation:
The momentum [tex]p[/tex] of an object is equal to the product of mass [tex]m[/tex] and velocity (a vector) [tex]v[/tex].
The initial momentum of this mass was [tex]0\; {\rm kg \cdot m \cdot s^{-1}}[/tex] since the velocity of this object was initially [tex]0\; {\rm m\cdot s^{-1}}[/tex].
At [tex]v = 3\; {\rm m\cdot s^{-1}}[/tex], the momentum of this mass ([tex]m = 50\; {\rm kg}[/tex]) would be:
[tex]\begin{aligned}p &= m\, v \\ &= 50\; {\rm kg} \times 3\; {\rm m\cdot s^{-1}} \\ &= 150\; {\rm kg \cdot m \cdot s^{-1}}\end{aligned}[/tex].
Assume that the external force [tex]F[/tex] on this mass is constant. By Newton's Second Law of motion, the external force on this mass would be equal to the rate of change in the momentum of this mass.
Since the momentum of this mass increased by [tex]\Delta v = 150\; {\rm kg \cdot m \cdot s^{-1}}[/tex] in [tex]\Delta t = 2\; {\rm s}[/tex], the external force on this mass would be:
[tex]\begin{aligned}F &= \frac{\Delta v}{\Delta t} \\ &= \frac{150\; {\rm kg \cdot m \cdot s^{-1}}}{2\; {\rm s}} \\ &= 75\; {\rm kg \cdot m \cdot s^{-2}} \\ &= 75\; {\rm N}\end{aligned}[/tex].
The impulse of an external force on an object is equal to the change in the momentum of that object. Since the change in momentum of this mass was [tex]\Delta v = 150\; {\rm kg \cdot m \cdot s^{-1}}[/tex], the corresponding impulse would also be [tex]150\; {\rm kg \cdot m\cdot s^{-1}}[/tex]:
[tex]\begin{aligned}J &= \Delta v \\ &= 150\; {\rm kg \cdot m\cdot s^{-1}} \\ &= 150\; {\rm N \cdot s}\end{aligned}[/tex].
Look at the incomplete balanced equation shown below. What three numbers would replace X, Y and Z in the equation? Give the numbers in order (for example: 2 6 3).
Answer:
3,6,9 is the answer it might be right but not sure
The balanced equation is C[tex]_3[/tex]H[tex]_8[/tex] + 5O[tex]_2[/tex] → 3CO[tex]_2[/tex] + 4H[tex]_2[/tex]O. An imbalanced chemical equation describes the products and reactants of a chemical process.
What is balanced equation?The balanced equation is indeed a chemical reaction equation in which the overall charge and the quantity of atoms for every element inside the reaction are identical for both the products and the reactants. In other terms, the mass plus charge on both side of the reaction are balanced.
An imbalanced chemical equation describes the products and reactants of a chemical process but does not include the quantities needed to meet mass conservation.
The carbon atom on lefts side is 3 while on right side it is 1
C[tex]_3[/tex]H[tex]_8[/tex] + O[tex]_2[/tex] → 3CO[tex]_2[/tex] + H[tex]_2[/tex]O
now balance oxygen
C[tex]_3[/tex]H[tex]_8[/tex] + 5O[tex]_2[/tex] → 3CO[tex]_2[/tex] + 4H[tex]_2[/tex]O
Therefore, the balanced equation is C[tex]_3[/tex]H[tex]_8[/tex] + 5O[tex]_2[/tex] → 3CO[tex]_2[/tex] + 4H[tex]_2[/tex]O.
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The rate of change of momentum of a body free falling under gravity is equal to its? A. Velocity B. kinetic energy C. power D. weight
Answer:
weight
Explanation:
this is because of the lighter the object the faster it will be affected
Lake point tower in chicago is the tallest apartment building in the united states. suppose you take the elevator from street level to the roof of the building. the elevator moves almost the entire distance at constant speed, so that it does 1.15x10^5j of work on you as it lifts the entire distance. if your mass is 60.0 kg how tall is the building.
Using the idea of work done under gravity, the height of the building is 187 m.
Work done in a gravitational fieldWe must recall that the work done in a gravitational field is given by; mgh
m= mass
g = acceleration due to gravity
h = height
mass = 60.0 kg
Workdone = 1.15x10^5 J
W = mgh
h = W/mg
h = 1.15x10^5 J/60.0 kg * 9.8 ms-2
h = 187 m
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a doctor measures the temperature of a patient to be 101 degrees . what is this temperature in kelvins
Answer:
the answer is 374.15 kelvins
Help, Please.
A, B, C, or D
Answer:
B
Explanation:
Answer:
B
Explanation:
A momentum does not stop it is conserved
C momentum is a vector quantity while energy is a scalar there is a difference
D momentum can't be formed a new it is still conserved
Choose the clincher sentence that best restates the following topic sentence.
Scientists recently discovered that fun is not just fun; it's
good for the brain.
O A. Not having fun can be bad for the brain.
O B. Fun is definitely good for the brain!
O C. Sometimes, you can have too much fun for the brain to process.
O D. A fun activity like horseback riding can actually make the brain
smarter.
what type of matter is always made up of only one kind of atom
Look at the diagram. Both cars start from the same point. Which describes the motion shown?
A:One car travels south at 4 m/s. The other car travels east at 2 m/s.
B:One car travels north at 4 m/s. The other car travels west at 2 m/s.
C;One car travels north at 2 m/s. The other car travels east at 4 m/s.
D: One car travels south at 4 m/s. The other car travels west at 2 m/s. 7 of 10
Answer:
I can't see anything so I can't to answer this question
Answer:
I think it MIGHT be A Can't see much ....
Explanation:
(b) Fig. 7. 2 shows a metal sphere on an insulating support.
C
Fig. 7. 2
A student has available two rods, one charged positively and one charged negatively. Using
one of these rods, she gives the sphere a uniform negative charge by induction
State which rod she chooses, and describe the procedure she follows.
The rod she chooses, to give the sphere a uniform negative charge by induction is the positively charged rod.
Charging by inductionCharging an object by induction is a process of inducing a charge on the object by bringing another charged object close to it.
Charge on the sphereWhen a positively charged rod is brought near a neutral sphere (equal negative and positive charge), the positive charge of the rod will repel the positive charge of the sphere, leaving the sphere with excess negative charge.
Thus, the rod she chooses, to give the sphere a uniform negative charge by induction is the positively charged rod.
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What separates the two sections of the solar system?.
Answer:
These two groups of planets are separated by the asteroid belt, a disk of small rocky bodies orbiting the sun between Mars and Jupiter.
Explanation:
Your welcome!
3)
an electrical heater raises the temperature of a measured
quantity of water. six thousand joules of energy is absorbed
by the water from the heater in 30.0 seconds. what is the
minimum power rating of the heater?
a) 2.00 x10 w
c) 5.00 x10 w
b) 2.00 x10- w
d) 1.80 x 105w
8.
A microscopic view of a sheet of paper is shown in the diagram at the
right. Would you expect this sheet of paper to cause light to undergo
regular or diffuse reflection?
Explain.
9.
From what type of surface do you think it would be easier to read?
From pages, which are rough, or from pages which are smooth and
glossy?
Explain your answer.
A microscopic view
of a sheet of paper.
10. Driving at night offers a great example of diffuse vs. regular reflection. A dry road is a diffuse
reflector, while a wet road is not. On the diagrams below, sketch the reflected light off a wet and dry
surface.
Dry Surface
Wet Surface
Why would the wet road appear to the driver to be darker than the dry road?
11. The diagram below contrasts the reflection of light off a smooth surface (left) with the reflection of
light off a rough surface (right). Compare the two diagrams and explain why the reflected rays for a
rough surface do not result in the formation of an image.
Based on the nature of reflection of light from surfaces, smooth surfaces produce regular reflection while rough surfaces produce diffuse reflection.
What is reflection of light waves?Reflection of light waves refers tobtye bouncing back of light waves when they hit a shiny surface.
Depending on the nature of the surface, reflection of light waves can either be regular if diffuse.
Smooth surfaces produce regular reflection while rough surfaces produce diffuse reflection.
Based on the properties of reflection:
A microscopic view of a sheet of paper shows that the surface is rough, thus it would produce diffuse reflection. Rough pages are easier to read from than smooth and glossy surfaces because they produce diffuse reflection while reading off smooth surface causes a glare due to intense regular reflectionA wet road appears darker because more light passes through and it reflects less light and looks darkerdiffuse reflection do not all pass through the principal focus, thus an image is not formed off a rough surfaceTherefore, it can be concluded that the rough surfaces produce diffuse reflection while smooth and glossy surfaces produce regular reflection.
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Why is the ‘dark side’ of the moon a misnomer?
Answer:
For starters, “dark side” is a misnomer. The far side may be constantly facing away from Earth, but as it orbits the Earth it sometimes faces the sun just as the bright side does. Thus the far side is subject to the same day/night temperature extremes as the side facing Earth.
Explanation:
Think about the physical activities that you have done as a part of this course. Describe a time during one activity in which a competitor displayed good sportsmanship toward you.
The activity in which a competitor displayed good sportsmanship towards me was during a football match.
What is Sportsmanship?This is an ethics or attitudes that show respect for the rules of a game and for the other players.
Sportsmanship was shown when i lost the deciding penalty and was consoled by the opponent.
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Which statement describes the movement of water when a cell shrinks and shrivels due to osmosis?
Answer:
Water went out of the cell because the concentration of water inside the cell was higher than the concentration outside the cell describes the movement of water when a cell shrinks and shrivels due to [ osmosis. Expert answered|emdjay23|Points 175268| Log in for more information.
Explanation:
Water went out of the cell because the concentration of water inside the cell was higher than the concentration outside the cell.
when there is a higher concentration of water inside the cell, water will begin to move out of the cell, eventually creating a hypertonic solution in which the cell shrivels and shrinks.
If one knew the luminosity of a star and measured its apparent brightness, which expression would one use to calculate the distance to the star
The expression which one would use to calculate the distance to the star is distance = sq. root. of (luminosity/4pi*apparent brightness)
What is Distance?
This is a scalar quantity and refers to how much ground a body has covered.
In a situation where parameters such as luminosity of a star and measured its apparent brightness are known then the distance to the star will be:
Distance= √(luminosity/4pi*apparent brightness)
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You push a 25.0kg wooden box across a wooden floor at a constant speed of 1.0m/s . the coefficient of kinetic friction is 0.20 . how large is the force that you exert on the box?
For a 25.0kg wooden box across a wooden floor at a constant speed of 1.0m/s, The force is mathematically given as
F=49N
What is the force that you exert on the box?Generally, the equation for the Force is mathematically given as
F=uN
Therefore
F=25*9.8*0.20
F=49N
In conclusion, the force is
F=49N
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