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ValentinkaMS [17]
3 years ago
8

Which of the following is a positive statement?

Physics
1 answer:
Ainat [17]3 years ago
5 0

Answer:B

Explanation:

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Mass of Sun
Paladinen [302]

Answer:

Percentage of mass converted to energy = 99.9 %

Explanation:

By far most of the solar system's mass is in the Sun itself: somewhere between 99.8 and 99.9 percent. The rest is split between the planets and their satellites, and the comets and asteroids and the dust and gas surrounding our star. Seen from afar (on the scale of distances between stars) the presence of the solar system would not be obvious. We would simply see a normal-looking star. Perhaps we would pick up the presence of Jupiter, which makes up two thirds or so of the solar system outside of the Sun, by mass.

4 0
3 years ago
Which of the following is the best example of Newton's second law? A. A rolling ball comes to a stop because the forces of frict
fgiga [73]

Answer:

B. the acceleration of a skydiver depends upon the force of gravity and wind resistance

Explanation:

Newtons second law of motion states that: the force (F) acting upon an object is directly proportional to the mass (M) of the object and the acceleration (a).

Basically this law states that the acceleration of a body is dependent on the force and mass of the body. If the force exerted on the body changes the acceleration will also change. and if the mass of the body changes, the acceleration will also be affected

from the options, the only option that refers to acceleration is option B

6 0
3 years ago
Which are characteristics of light? Check all that apply
Schach [20]

Answer:

wavelength, frequency, energy and speed

Explanation:

7 0
2 years ago
Simplify 6.25 − 8.<br><br>please help
tatyana61 [14]

6.25 - 8 = -1.75

Hope this helps

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7 0
3 years ago
The state of a medium affect the speed of sound
fenix001 [56]

Answer:

no it can not effect the speed of sound not shure tho

5 0
2 years ago
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