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Elden [556K]
3 years ago
12

An underlying theme of astronomy is that the...

Physics
1 answer:
amm18123 years ago
3 0

Answer:

d) entire universe is governed by a single set of fundamental physical laws.

Explanation:

Astronomy is the field of study that researches and studies about the objects beyond Earth. The phenomena occurring in the universe and their effects on the planet Earth are all death under the subject of astronomy. The discovery and the origin of the Earth, the heavenly bodies and their existence are covered under astronomy. The fundamental laws of the astronomy proves to be equivalent for all the bodies. These laws are universal that helps in the research of the science of universe.

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A vector quantity has _____.
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c) both magnitude and direction


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4 years ago
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Two cars travel on a straight road from point A to point B. Both cars accelerate to their maximum speed and then continue at tha
AysviL [449]

Answer:

B) Car 2 has both a larger acceleration and a larger average speed.

Explanation:

Car 2 reaches 20 m/s faster than Car 1, so it has a larger acceleration.  Car 2 also reaches point B faster than Car 1, so it has the higher average speed.

5 0
3 years ago
Question 8 a-e plz
N76 [4]

Answer:

(a) t = 0 s

(b) t = 0 s, 30 s, 55 s

(c) t = 40 s to t = 60 s

(d) t = 10 s to t = 15 s

(e) a = 6 m/s^2

Explanation:

(a) The car is at starting position at t = 0 s and v = 0 m/s.

(b) The velocity of car is zero when the time is t = 0 s, 30 s and 55 s.

(c) from t = 40 s to 60 s the car is moving in the negative direction.

(d) The fastest speed is 60m/s from t = 10 s to t = 15 s.

(e) The slope of the velocity time graph gives acceleration.

a = (60 - 0) / (10 - 0) = 6 m/s^2

5 0
3 years ago
18. When considering a magnet's force of attraction over a known distance, you would expect the strength of attraction 4 inches
sineoko [7]
C. 16 times
Because depending on this ... (4)^2= 16
And (1)^2 =1

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3 years ago
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calculate the critical angle of water if the velocity of light in water is 2.2×10^8m/s. ( given, velocity of light in air = 3× 1
artcher [175]

<em>Speed of light in vacuum = 3.0 × 10⁸ m/s</em>

<em>Speed of light in water = 2.25 x 10⁸  m/s</em>

<em>Refractive index of water = ? </em>

<em>We know that  </em>

<em> </em>

<em>Refractive index of water = </em>\frac{Speedoflightinvacuum}{speedoflightinwater}<em />

<em />

<em>Refractive index of water =  </em>\frac{3*10^{8} }{2.25*10^{8} } =1.33<em> </em>

<em />

3 0
3 years ago
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