What determines all the star's properties such as its temperature, size, brightness and life span?a. Weight b. Mass c. Diameter d. Luminosity
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Luminosity is the total energy that star produce in one second, depending on both the radius of the star and on its surface temperature. Thus, all the star's properties such as its temperature, size, brightness and life span is determined by its luminosity.
Related Questions
Federal Law mandates that the steering or helm area of a power boat less than 20 feet in length must have which of the following?a. Latex gloves.b. Capacity Plate.c. Ladder stand.d. Rear
Integrated circuits are manufactured on chips made of the element.
A standard light bulb emits light rays in _________ directions.
A woman with a genotype of Cc marries a man with a genotype of Cc. What is the probability that their offspring will have a chin with no cleft?
b. meteoroid
c. dwarf planet
d. Kuiper Belt object
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Ceres is best classified as a dwarf planet. Ceres is located in he asteroid belt. Ceres is much closer to Earth than Pluto and it was discovered in the year of 1801.
Ceres is considered the smallest dwarf planet of the solar system.
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Answer:
The period of this wave es 10 seconds.
Explanation:
The wavelength is the minimum distance between two points of the wave that is in the same state of vibration.
Frequency is the number of vibrations that occur in a unit of time.
The speed of propagation is the speed with which the wave propagates in the middle. Relate wavelength (λ) and frequency (f) inversely proportionally using the following equation: v = f * λ.
The period is the time that elapses between the emission of two consecutive waves. In other words, it is the time it takes for a complete wave to pass through a reference point. The period (T) is simply the inverse of the frequency (f):
The units of the period are the seconds (s)
Then the propagation speed will be v = λ / T (Speed = wavelength/period)
Then T= λ / v
Period (T)= 10 s
The period of this wave es 10 seconds.
Answer:
.10 sec
Explanation:
B. Accelerate before entering the curve
C. Applying the brakes only after exiting the curve
D. Apply the accelerator throughout the entire curve
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Correct answer choice is:
A) Decelerate before the curve.
Explanation:
Decrease your speed before overtaking a curve. Watch out for road symbols signaling of nearing curves so that you have enough time to reduce down before driving through the curve. It is desirable to drive below the posted speed limit as you progress and drive through curves. Turn as little as probable.
For safety concerning a curve, the correct answer is:
A. Decelerate before the curve.
How to take caution on curves
When approaching a curve while driving, it is essential to slow down or decelerate before entering the curve. This allows you to maintain better control of the vehicle and reduce the risk of losing traction or skidding.
By reducing your speed before entering the curve, you can handle the curve more safely and smoothly, adjusting your steering and maintaining stability throughout the turn. Accelerating into a curve or applying the brakes only after exiting the curve can lead to unsafe driving conditions and increase the likelihood of accidents. It is always safer to slow down before taking a curve to ensure a safer driving experience.
Learn more about safety at
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-moving pulleys are attached to the object and move with the object. Fixed-position pulleys are connected to a fixed point and do not move
-moving pulleys are easier to use than fixed position pulleys
-moving pulleys have more force than fixed-position pulleys
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You mean like a box sitting on a table.
One force is the force of gravity, pulling downward on the box.
Now, you know that the forces acting on the box must be balanced, because
if they're not, then the box would be accelerating. But it's just sitting there, so
there must be some other force, just exactly the right strength and direction to
exactly cancel the force of gravity on the box, so that the net force on it is zero.
The other force is the force of the table pushing upward on the box. It's called
the "normal force".
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From among the choices provided, the more appropriate
answer is ' T ', the initial letter often used to represent
words that include 'true', 'truth', 'trust', etc., (as well as
'tree', 'train', 'transmit', 'Transylvania', 'trachea', 'travesty',
and 'trick', which are irrelevant to the present discussion).
This response is the most fitting and appropriate, because
the statement that precedes the list of allowable choices is
exemplary in its accuracy and veracity. An ion can, in fact,
have a positive or negative charge, although the same ion
cannot have both.