Answer:
Ganymede
Explanation:
Jupiter’s Moon Ganymede is the largest Moon in the solar system. It’s even larger than the planet Murcury.
I hope it helps! Have a great day!
Muffin ^^
Answer:
Ganymede
Explanation:
The largest moon is Jupiter’s moon, Ganymede. It is the largest out of all the moons we have in our solar system.
I hope it helps! Have a great day!
.-.
why do we use dry cell in torch light ?
Answer:
The three reasons for this is because of high enrgy density, self-discharge, and small amount of energy.
Explanation:
These are why that happens.
Hope this helps!
-Justin
Determine if the data are qualitative or quantitative.
Answer:
Qualitative, Quantitative, Qualitative, Quantitative, and Qualitative.
Explanation:
[tex]\qquad\qquad\huge\underline{{\sf Answer}}♨[/tex]
Here we go ~
❖ Qualitative data determines the property or characteristics of certain object or behavior.
❖ Quantitative data determines the number or quantity of a substance. basically dealing with how much/many things are being used.
Now let's move on to questions ~
#1. Carbon is a organic molecule.
- Qualitative
#2. The forest is 25% oak trees.
- Quantitative
#3. Water contains covalent bonds.
- Qualitative
#4. Sheila's blood pressure is 120/80.
- Quantitative
#5. The bat arm and human arm have similar bone structure
- Qualitative
Our earth is situated in the milky way galaxy. The milky way galaxy is which type of galaxy?.
Answer:
Our earth is situated in the Milky Way galaxy. The Milky Way galaxy is a type of spiral galaxy.
Explanation:
spiral galaxy
The Milky Way is a huge collection of stars, dust and gas. It's called a spiral galaxy because if you could view it from the top or bottom, it would look like a spinning pinwheel. The Sun is located on one of the spiral arms, about 25,000 light-years away from the center of the galaxy.
While electric current is flowing through a wire, what surrounds the wire?.
A material that doesn't conduct electricity well - such as a plastic/rubber covering, acting as the electrical insulator.
Hope this helps!
What kind of particles exert electric force?
What objects have orbital paths? A. the sun and stars
B. meteors and asteroids C. the planets and moons
Answer:
The planets and moons.
Explanation:
Planets follow an elliptical path around the sun (kinda oval shaped). Moons do the same to planets.
The maximum distance particles of the medium move when a wave passes through them is wave:.
Answer:
Amplitude I believe.....
Explanation:
Infrared light is invisible because it has a wavelength that is ____________________ than the human eye can perceive.
Answer:
700 nanometer to one millimeter
hello people ~
Both chasmogamous and cleistogamous flowers are present in
(a) Helianthus
(b) Commelina
(c) Rosa
(d) Gossypium
(b) Commelina
Explanation:
Both chasmogamous and cleistogamous are present in Commelina.
In commelina, the flowers have anthers and stigma hanging outside of the flower. Petals are colourful and contains scent and nectars to attract birds and insects. Both of these are present in commelina flowers.
Answer:
Commelina
Explanation:
Commelina is type of flower at where the stings and anthers remains hanging outside of the flower.To get help in pollination they used to attract insects by their scentsthe placement of the Sun, the Moon, and Earth in each circumstance is
Answer:
Tides and Water Levels
Explanation:
When the sun, moon, and Earth are in alignment (at the time of the new or full moon), the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides—both commonly called spring tides
:)
A toy train is going around a circular track of a radius of 1.2 m as shown on the diagram. The train takes 9 seconds to complete one lap of the circular track.
(a) Calculate the speed of the train
(B) on the diagram draw in the train's velocity and acceleration vectors at B. Label clearly.
(c) For the train to move in a circle like this there
must be a centripetal force acting on it.
Explain how this force is being produced
Explanation:
r=1.2, Period(T) = 9s
a) Speed(V) = ωr
ω = 2 x Pi(3.142) x frequency
frequency = 1/period
therefore; the frequency will be 1/9 = 0.1Hz
Therefore Speed(V) = 2 x 3.142 x 0.1 x 1.2=0.75m/s
C) Centripetal and centrifugal forces are the forces experienced by rotating objects. The centripetal force keeps an object moving in a circle and is always pointed toward the center of that circle. For instance, the gravitational force of the sun is a centripetal force that keeps the Earth orbiting around it. Its direction is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path.
A cart with mass 2m has a velocity v before it strikes another cart of mass 3m at rest. The two carts couple and move off together with a velocity of?
Answer:
2/5 v
Explanation:
Use conservation of momentum
originally mv = 2m v
after the crash mv is still the same (2mv)
but the mass is now 5m x where x is the new velocity
2mv = 5 mx
x = 2/5 v
The momentum of two objects in a collision is conserved. Hence, the total initial momentum is equal to the final momentum of the coupled mass. Here the final velocity will then be 2/5 v.
What is momentum ?Momentum of a moving object is the product of mass and velocity. It is a vector quantity with direction and magnitude. The total momentum of two colliding bodies is equal to the total final momentum after collision.
Let m1 and m2 be the masses and v1 and v2 be the final velocities. Vt be the velocity of the coupled mass.
Then, m1 v1 + m2 v2 = (m1 + m2) Vt
Given, mass of cart 1 = 2m
cart 2 = 3m
velocity of cart 1 = v
cart = 0 since it was at rest.
Then, 2m v + 0 = (2m + 3m) Vt
Vt = 2/5 v
Therefore, the final velocity of the couple of carts will be 2/5 v.
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The potential energy of a swing is 200 j at its highest point and 50j as its lowest point energy is conserved ,what is the kinetic energy of the swing at its lowest point
Answer:
150J
Explanation:
yee thats it hope it helps
A student draws the model shown below.
Which of these best compares the conditions at Location X and Location Y?
Answer
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.
Read more about Co-ordinate
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An astronaut floating alone in outer space throws a baseball. If the ball moves away at 20 m/s, the astronaut will:.
Answer:
Move the opposite direction ( at a lesser magnitude of velocity)
Explanation:
Sally and Suzy are moving into their first college dorm together. They are loading all their furniture onto a truck with a ramp that is 8 feet long.
How far is the back of the truck off the ground if the mecanical advantage of this ramp is 2?
A) .25 ft
B) 4 ft
C) 8 ft
D) 16 ft
Answer:
B
Explanation:
Formula
Mechanical advantage = length of the ramp / height
Givens
Length of the ramp = 8
Mechanical advantage = 2
height = ?
Solution
2 = 8feet / height Multiply both sides by height
2* height = 8 feet * height / height Combine
2* height = 8 feet Divide by 2
2*height/2 = 8 feet/2
height = 4 feet.
16. Pressure of a fluid depends upon:
a) Height of the object
b) Depth at which object moves
c) density of the medium
d) all of above
Answer:
b that is density at object moves
Not all metals have the same current for a given electric potential
The statement 'Not all metals have the same current for a given electric potential' is TRUE. It is conductivity.
What is conductivity?All the metals are able to conduct electric currents, but some metals have a higher conductivity.
Metals are able to conduct electric currents due to the free movement of negatively charged particles i.e., electrons, across the conductor.
The band theory of metals states that metals can conduct electrons (e-) in an electric current by means of the help of the e- valence.
The density of free electrons in metals is around 10^28 m-3, which indicates the number of states at a particular energy level that negative e- can occupy.
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How does surface type affect speed?
Answer:
Slick and smooth surfaces mediate friction to a low, allowing an object to speed across it with low resistance.
Explanation:
Which magnet would be best for lifting heavy metal, moving it,and letting go of it
HELP PLEASE ILL GIVE BRAINLY
A student makes a voltage divider from a 45-V battery, a 475-k
resistor, and a 235-k resistor. The output is measured across the
smaller resistor. What is the voltage?
Answer:
14.9 v
Explanation:
V = IR
The voltages across the resistors will be proprtional to the values of the resistors
45 * 235 / (235 + 475) =
You are taking measurements of sound waves. Every ¼ second, the sound waves pass your detector. What is the wave’s frequency and what is the wave’s period? (Use correct units)
Answer:
hope this helps, you can ask any questions for clarification
Try moving the magnet in the different ways described in the table below,. Record your observations in the second column of the table. MotionMove the magnet straight through the coil, leading with the north pole. Once the magnet is completely through, move it back to its original position. Move the magnet straight through the coil, only this time leading with the south pole. Once the magnet is completely through, move it back to its original positionPut the magnet in the center of the coil, but don't move it. Put the magnet on the outside of the coil. Repeatedly move it up and down while outside of the coil. Keeping the magnet outside of the coil. Repeatedly move it back and forth horizontally.Place the magnet back inside of the coil. Now repeatedly switch the polarity of the magnet by pressing the button toward the bottom-right of the page over and over again.
Base on the experiment, we can deduce that the working principle of most electric generators is based on spinning a permanent magnet near coils of wounded wire.
What is Faraday's law of electromagnetism?Faraday's law of electromagnetism states that the negative rate of change of time (Δt) of the flux of the magnetic field (∅) through a surface is directly proportional to the flux (∅) of the electric field through a surface that has the loop as its boundary.
Electric generators are primarily designed and developed to use the properties of electromagnetism to convert kinetic energy (KE) that is possessed due to motion, into electrical energy. Thus, we can deduce that the mode of operation or working principle of most electric generators is based on spinning a permanent magnet near coils of wounded wire.
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Answer:we can deduce that the working principle of most electric generators is based on spinning a permanent magnet near coils of wounded wire.
Explanation:
Which of the following is evidence that electromagnetic radiation can be described by the wave model?(1 point)
Atoms absorb and emit electromagnetic radiation at discrete energy values.
Light from a flashlight spreads out to illuminate a dark room.
Electromagnetic radiation loses energy when it scatters off charged particles.
Light travels from faraway stars to Earth.
Answer:
Light travels from faraway stars to earth.
Answer:
light from a flashlight spreads out to illuminate a dark room
Explanation:
just took the quiz
A bicycle has a front gear that is turned by a pedal and is connected by a chain to a
rear gear, which turns the rear wheel. If the pedal radius is 18.0 cm, the front gear
radius is 9.0 cm, the rear gear radius is 4.0 cm, and the rear wheel radius is 33.0
cm, what is the ideal mechanical advantage of the bicycle?
(A) 0.24
(B) 0.48
(C) 0.55
(D) 0.82
Answer:
Pedal / Front Gear = 18 / 9 = 2
Front Gear /Rear Gear = 9 / 4 = 2 1/4
Rear Gear / Wheel = 4 / 33 = .121
2 * 2 1/4 * .121 = ,55
C) Seems true
HELPP
You are given two particles, each with a positive charge,
and a box that is 1 m by 1 m. How would you arrange the
particles to create the weakest electric force between
them? Explain.
Answer:
they are like charges so they magnitude repulsive & direction will be ones left &ones right. but it depends on the axis of rotation.
You are given two particles, each with a positive charge, and a box that is 1 m by 1 m. To arrange the particles to create the weakest electric force between them i put at opposite direction diagonally.
What is force?A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
According to Coulomb's law, the force of attraction or repulsion between two charged bodies is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.
To arrange the particles to create the weakest electric force between them i put at opposite direction diagonally.
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A bus is traveling at 25 m/s, and a cyclist is traveling at 5 m/s behind the bus, in the same direction. the frequency of a sound coming from the bus is observed by the cyclist to be 1000 hz. approximately what is the frequency of the sound as perceived by the bus driver
Answer:
Approximately [tex]1061\; {\rm Hz}[/tex] (rounded to the nearest whole number,) assuming that the speed of sound in the air is [tex]330\; {\rm m \cdot s^{-1}}[/tex].
Explanation:
Let [tex]v[/tex] denote the speed of this sound wave: [tex]v = 330\; {\rm m\cdot s^{-1}}[/tex] by assumption.
Let [tex]\Delta v[/tex] denote the speed at which the source (the bus) moves away from the observer (the cyclist.) In this question, [tex]\Delta v = 25\; {\rm m\cdot s^{-1}} - 5\; {\rm m\cdot s^{-1}} = 20\; {\rm m\cdot s^{-1}}[/tex].
Let [tex]d[/tex] denote the distance between the source (the bus) and the observer (the cyclist) when the first crest leaves the source. At a speed of [tex]v[/tex], it would take [tex]d / v[/tex] before the first crest arrive at the observer.
Let [tex]T[/tex] denote the period of this wave. If a crest of this wave leaves the source at [tex]t = 0[/tex], the very next one would leave at [tex]t = T[/tex]. Since the source is moving away from the observer at [tex]\Delta v[/tex], the distance between the two would have since increased from [tex]d[/tex] to [tex](d + \Delta v\times T)[/tex]. At a speed of [tex]v[/tex], this crest would now need [tex](d + \Delta v\times T) / v[/tex] to reach the observer.
In summary:
The first crest leaves the source at [tex]t = 0[/tex] and arrives at the observer at [tex]t = d / v[/tex].The second crest leaves the source at [tex]t = T[/tex] and arrives at the observer at [tex]t = T + (d + \Delta v\times T) / v[/tex].The time difference between the two crests is [tex]T[/tex] at the source. However, at the observer, this difference would have become:
[tex]\begin{aligned} &T + \frac{d + \Delta v\times T}{v} - \frac{d}{v} \\ =\; & T + \frac{\Delta v\times T}{v} \\ =\; & T\times \frac{v + \Delta v}{v}\end{aligned}[/tex].
Therefore, the ratio between the period at the source and at the observer would be:
[tex]\begin{aligned}\frac{T(\text{observer})}{T(\text{source})} &= \frac{\displaystyle T \times \frac{v + \Delta v}{v}}{T} \\ &= \frac{v + \Delta v}{v}\end{aligned}[/tex].
The frequency [tex]f[/tex] of a wave is equal to the reciprocal of its period [tex]T[/tex]. In other words, [tex]f = (1 / T)[/tex]. Therefore:
[tex]\begin{aligned}\frac{f(\text{observer})}{f(\text{source})} &= \frac{T(\text{source})}{T(\text{observer})} \\ &= \frac{v}{v + \Delta v}\end{aligned}[/tex].
Since [tex]f(\text{observer}) = 1000\; {\rm Hz}[/tex], [tex]\Delta v = 20\; {\rm m\cdot s^{-1}}[/tex], and [tex]v = 330\; {\rm m\cdot s^{-1}[/tex] by assumption:
[tex]\begin{aligned} & f(\text{source})\\ =\; & f(\text{observer}) \times \frac{v + \Delta v}{v} \\ =\; & 1000\; {\rm m\cdot s^{-1}} \times \frac{330\; {\rm m\cdot s^{-1}} + 30\; {\rm m\cdot s^{-1}}}{330\; {\rm m\cdot s^{-1}}} \\ \approx\; & 1061\; {\rm m\cdot s^{-1}}\end{aligned}[/tex].
Question 1 of 25 Which produces the most energy?
Answer:
electric stuff
Explanation:
I didn't see any option choices so srry
differentiate between beam and physical balance
Answer:
Physical Balance
•Physical balance are utilized for precision mass measurement.
•Physical balance can measure accurately upto a milligram.
Beam balance
•Beam consists of a horizontal beam, supported at it's centre.
•The object is kept on one pan and the standard massess in the other.
Explanation:
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