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3 years ago

Vaporized gases and released dust form a bright cloud called a(n) ____ around the solid part of a comet.

Physics

2 answers:

AURORKA [14]3 years ago

8 0

the right answer is gonna be Coma

MissTica3 years ago

5 0

The mixture of gases round the body or nucleus of the comet is called a coma.

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A ball has m=10 kg and v=10 m/s. It has the same momentum as which of the following?

crimeas [40]

Answer:

Choice d. All three balls listed in choice a, b, and c have a momentum of $100\; \rm kg \cdot m \cdot s^{-1}$ each, same as that of the $10\; \rm kg$ ball moving at $10\; \rm m \cdot s^{-1}$ . Assumption: all four balls are moving in the same direction.

Explanation:

The momentum $p$ of an object is equal to the product of its mass $m$ and its velocity $v$ .

Momentum of a $10\; \rm kg$ ball moving at $10\; \rm m \cdot s^{-1}$ :

$p = m \cdot v = 10\; \rm kg \times 10\; \rm m \cdot s^{-1} = 100\; \rm kg \cdot m \cdot s^{-1}$ .

Similarly:

Momentum of the ball in choice a: $100 \; \rm kg \times 1\; \rm m \cdot s^{-1} = 100\; \rm kg \cdot m\cdot s^{-1}$ .
Momentum of the ball in choice b: $5 \; \rm kg \times 20\; \rm m \cdot s^{-1} = 100\; \rm kg \cdot m\cdot s^{-1}$ .
Momentum of the ball in choice c: $2 \; \rm kg \times 50\; \rm m \cdot s^{-1} = 100\; \rm kg \cdot m\cdot s^{-1}$ .

Hence the conclusion that these balls have the same momentum.

7 0

3 years ago

Colors seen on the cover of our physics book result from color Group of answer choices addition. subtraction. either of these ne

Alex Ar [27]

Colors seen on the cover of our physics book result from color is due to Subtraction.

What is physics of color subtraction?

Some visible spectrum wavelengths are intentionally removed during the subtraction procedure.
For instance, the yellow filter transmits the green and red colors while blocking the blue.
Red and blue are transmitted while the green is blocked by the magenta filter.
Blue and green are transmitted while red is blocked by the cyan filter.
Subtractive mixing gets its name from the fact that when colors are mixed, wavelengths are removed from what we see because each paint absorbs some of the wavelengths that the other paint reflects, leaving us with less wavelengths afterward.

Learn more about Subtractive mixing with the help of the given link:

brainly.com/question/1871483

#SPJ4

6 0

2 years ago

All neutron stars are things that produce intense gravity. All neutron stars are extremely dense objects. Therefore, all extreme

nika2105 [10]

Answer:

Major term is 'things that provide intense gravity'

Minor term is 'extremely dense objects'

Middle term is 'neutron stars'

Explanation:

Major term is given by the predicate part of the conclusion
Minor term is given by the subject part of sentence in conclusion
Middle term is given by the subject part and not the conclusion

6 0

4 years ago

If you are looking up exact balues in a lookup table then it does not matter how the table is sorted

Orlov [11]

No ,,,,,,,,,,,,,,,,,,,,,,,,,,

6 0

4 years ago

A penny rolls along the table for a distance of 1.3 meters. Jackie pushes it 40 centimeters further in the same direction.

brilliants [131]

40 meters times 1 meter over 100 centimeters equals 0.4 meters. 1.3 meters + 40 centimeters =. 1.3 m + 0.4 m = 1.7 m. The answer is 1.7 meters

7 0

4 years ago