Which of these waves probably has the largest wavelength?
Answers
Answer:
I think it's the last one
Explanation:
good luck
Answer: The last one...8 waves per second
Explanation:
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A kayaker paddles at 4.0 m/s in a direction 30° south of west. He then turns and paddles at 3.7 m/s in a direction 20° west of south.What is the magnitude of the kayaker’s resultant velocity? Round your answer to the nearest tenth. ___m/s What is the direction of the kayaker’s resultant velocity? ___ ° south of west please help
What causes resistance in an electrical current
A diver who weighs 500 N steps off a diving board that is 10 m above the water. The diver hits the water with kinetic energy of 8) _______ A) 10 J. B) 500 J. C) 5000 J. D) more than 5000 J. E) 510 J.
21 pointWhich of the following is an example of an allele?axial flowersall of the above1a2ООAA3Previous
Answers
Answer:
If the mass of Earth were increased by a factor of 2.00, the force between Earth and the Sun would increase by a factor of 2.00 as well.
Explanation:
The gravitational force between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. The formula for gravitational force (F) is given by:
F = (G * m1 * m2) / r^2
Where:
F = gravitational force
G = gravitational constant (a constant value)
m1 = mass of the first object
m2 = mass of the second object
r = distance between the centers of the two objects
If the mass of Earth is increased by a factor of 2.00 (meaning it becomes 2 times its original mass), we can denote the original mass of Earth as "M" and the increased mass as "2M."
Now, let's calculate how the force between Earth and the Sun changes:
Original force (F1) = (G * M * Msun) / r^2
New force (F2) = (G * 2M * Msun) / r^2
Now, we can find the ratio of the new force to the original force:
F2 / F1 = [(G * 2M * Msun) / r^2] / [(G * M * Msun) / r^2]
Notice that the gravitational constant (G), distance (r), and the mass of the Sun (Msun) are the same in both equations and cancel out when calculating the ratio. Therefore, you're left with:
F2 / F1 = (2M) / M = 2
So, if the mass of Earth were increased by a factor of 2.00, the force between Earth and the Sun would increase by a factor of 2.00 as well.
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Answers
The direction of motion for aseries of wave fronts is represented with a ray. A ray is a line extendingoutward from the source representing the direction of propagation of the waveat any point along it. They are perpendicular to the wave fronts.
Answer:
The direction of motion for a series of wave fronts is represented with a(n) ray
:)
1 velocity.
2 speed.
3 acceleration.
4 direction.
Answers
Answer : speed
Explanation :
Speed is defined as the distance travelled per unit time. It is a scalar quantity.
Velocity is displacement covered per unit time. It is a vector quantity. This means it have both magnitude as well as direction.
When captain told the passengers that the plane is flying at 450 miles per hour, then this shows the speed of plane. He is not talking about the direction in which the plane is flying.
So, this information describes the speed of plane.
Correct option is (2).
If he had also told them what direction they were flying, then
they would have been able to put the two pieces of information
together, and they would know the plane's velocity.
Answers
Final answer:
The speed you read on a speedometer is your instantaneous speed, which is the speed your vehicle is moving at a specific moment. This is usually measured in miles per hour (mph) or kilometers per hour (km/h), and it's calculated based on the rotation of your vehicle's wheels or drive shaft.
Explanation:
The speed you read on a speedometer is your instantaneous speed. This is the speed at which your vehicle is moving at a specific moment in time. On a standard speedometer, you'll see this represented as miles per hour (mph) or kilometers per hour (km/h), depending on your location and the standard measure of distance in your country.
The speedometer works by taking into account the rotation of the wheels or drive shaft and converting that rotational speed into a speed of linear motion.
For example, if you're driving and your speedometer says 60 mph, this means that at that particular moment, you are moving at a speed of 60 miles in one hour.
Learn more about speedometer here:
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b. Its direction can be reversed.
c. Its strength can be changed.
d. Its speed can be slowed.
Answers
Answer: The correct answer is "Its speed can be slowed".
Explanation:
The current carrying conductor produces the magnetic field. The electric current produces the magnetic field.
The motion of the charge produces the electric field and the magnetic field. If the charge is not moving then it will produce electric field only not magnetic field.
The rate of flow of charges constitutes the current. If the current is not flowing in the conductor then, the magnetic field will not produce. If the amount of current flow increases then the strength of the magnetic field increases.
The magnetic field can be produced by following methods from the given options :
It can be turned on and off.
Its direction can be reversed.
Its strength can be changed.
Therefore, the correct option is (d).
Answers
Most of the fusion occurs in the core.
In stars more massive than the sun, fusion continues through Deuterium, Carbon, and finally reaching iron/nickel.
Up to this point, the fusion reaction was endothermic, which means that the energy expended to produce the fusion reaction was exceeded by the energy produced in the reaction.
Fusion past iron is exothermic, and therefore the star will be able to survive by fusing elements heavier than iron.
After the core is almost entirely iron, the star is no longer in the Main Sequence.
So, fusion in stars more massive than the sun continue fusing until the core is almost entirely iron.