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mel-nik [20]
2 years ago
12

15.3 comparing planetary motion compare and contrast the different types of planetary motion

Physics
2 answers:
Goryan [66]2 years ago
8 0
There are only two types of planetary motion and these kinds are revolution and rotation. Revolution is the act of the planets in the solar system to move around or "revolve" around the sun while rotation is done in which the planet "rotates" on its axis. In addition, the earth revolves around the sun in 365 and 1/4 days.
GaryK [48]2 years ago
6 0

Answer: Planetary motion refers to the type of motion in which a planet moves. Different planets have different planetary motion, with variation in their speed and moving direction.

The different types of planetary motion are as follows-

  1. <u>Rotation-</u> Every planet rotates around its own axis. This rotational speed is different for different planets. Some of them rotates in clockwise and some in anticlockwise direction. For example, earth rotates about its axis at nearly 24 hours.
  2. <u>Revolution-</u> Every planet revolves around the sun. The time required by planets to complete one revolution again differs from planet to planet. The inner planets because of its smaller radius takes lesser amount of time to make one complete rotation, in comparison to the outer planets. For example, earth completes one revolution in 365.5 days.
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Joe is measuring the time it takes for a ball to roll down a ramp. In this experiment Joe takes the measurement 5 times and gets
PolarNik [594]

 Step by step solution :

standard deviation is given by :

\sigma = \sqrt\dfrac{{\sum (x-\bar{x})^2}}{n}

where, \sigma is standard deviation

\bar{x} is mean of given data

n is number of observations

From the above data, \bar{x}=24.88

Now, if x=24.8, then (x-\bar{x})^2=0.0064

If  x=23.9, then (x-\bar{x})^2=0.9604

if x=26.1, then (x-\bar{x})^2=1.4884

If x=25.1, then (x-\bar{x})^2=0.0484

If x=24.5, then (x-\bar{x})^2=0.1444

so, \sum (x-\bar{x})^2 =\frac{0.0064+0.9604+1.4884+0.0484+0.1444}{5}

\sum (x-\bar{x})^2 =2.648

\sqrt{\sum \frac{(x-\bar{x})^2}{n}}

\sigma =0.7277

No, Joe's value does not agree with the accepted value of 25.9 seconds. This shows a lots of errors.

6 0
2 years ago
If a car speeds up and pushes back on the road, what does the road do to the car?
Basile [38]

Answer:

make it go faster

Explanation:

because of the arrow danmaicts of the force the wind give more speed

6 0
3 years ago
Which statement is the contrapositive of:
HACTEHA [7]

Answer:

E.two angles are vertical angles if, and only if they are not adjacent angles

5 0
3 years ago
Select all the correct locations on the image.
Papessa [141]

Answer:

its the top 3 can confirm on plato

Explanation:

8 0
2 years ago
Read 2 more answers
A 12-kg piece of metal displaces 1.6 L of water when submerged. Part A Find its density. Express your answer to two significant
Tatiana [17]

Answer:

ρ = 7500 kg/m³

Explanation:

Given that

mass ,m = 12 kg

Displace volume ,V= 1.6 L

We know that

1000 m ³ = 1 L

Therefore V= 0.0016 m ³

When metal piece is fully submerged

We know that

mass = Density x volume

m=\rho \times V

Now by putting the values in the above equation

\rho=\dfrac{12}{0.0016}\ kg/m^3

ρ = 7500 kg/m³

Therefore the density of the metal piece will be  7500 kg/m³.

6 0
3 years ago
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