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Fofino [41]
3 years ago
14

The typical unit for a period used with Kepler's third law is

Physics
1 answer:
ollegr [7]3 years ago
6 0
Well, if you're using the law to work with periods of Earth satellites,
then the most convenient unit is going to be 'hours' for the largest
orbits, or 'minutes' for the LEOs.

But if you're using it to work with periods of planets, asteroids, or
comets, then you'd be working in days or years.
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Which explains the information needed to calculate speed and velocity?
Anestetic [448]

Both require time, but velocity requires displacement and speed requires distance.

Explanation:

Speed and velocity are two different quantities. In fact:

- Speed is a scalar quantity, which gives a measure of how fast an object is moving, regardless of its direction. Therefore, it only has a magnitude, which is given by the ratio between distance covered and time taken:

s=\frac{distance}{time}

Therefore, speed does not take into account the direction of motion.

- Velocity, on the other hand, is a vector quantity, so it has magnitude and a direction.

The magnitude of the velocity is given by

v=\frac{displacement}{time}

where displacement is a vector connecting the initial point with the final point of motion of an object.

The direction of the velocity corresponds to the direction of the displacement.

It must be noted also that in certain situations, the average velocity is zero, while the speed is not zero: for example, for an object completing a circle in a certain time interval, its speed is not zero, while its velocity is zero (because the object returns to the starting point, so the displacement is zero.

Therefore, the correct answer is

Both require time, but velocity requires displacement and speed requires distance.

Learn more about speed and velocity:

brainly.com/question/8893949

brainly.com/question/5063905

brainly.com/question/5248528

#LearnwithBrainly

3 0
3 years ago
A 15 kilogram mass is traveling with a velocity of 2.7m/s. What is the object's kinetic energy?
Usimov [2.4K]

Answer:

KE=1/2*m*v^2

KE=1/2*15*2.7^2

KE=54.675 J

Explanation:

4 0
3 years ago
Cuando habla una persona, ¿por qué identificas que se trata de un hombre,una mujer o un niño​
Lubov Fominskaja [6]

Answer:

Lo ases por su voz

Explanation:

Creo ,,,,,,

4 0
2 years ago
The drawing on the right shows a man (mass = 70kg) and the child (mass = 35 kg) push each other apart. The man moves away with a
Pepsi [2]

Answer:

<h2>Hope it would help you.</h2>

3 0
3 years ago
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HELP PLS .. The half-life of potassium-44 is 22 minutes. It decays into calcium-44. After
Ber [7]

Answer:

1/4

Explanation:

3 0
2 years ago
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