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monitta
3 years ago
10

The solar system consists of the sun and nine planets moving in definite orbits around the sun. How do the outer planets differ

most from the inner planets?
A. size and composition
B. having shorter years
C. the plane of their orbits
D. having slower rotation on their axes
Physics
2 answers:
NeX [460]3 years ago
5 0

Answer:

A

Explanation:

The inner planets are smaller than the outer planets.

The composition is different bc the inner planets composition is made of rock and are solid. The outer planets composition are made of gas.

therfore the answer is A, hope this helps :)

8090 [49]3 years ago
4 0
I believe the answer is D) and also there are technically 8 planets because Pluto was considered a dwarf planet so they dont consider it a planet at all
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Ierofanga [76]

Answer

1400 * 0.8 = 1,120

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4 years ago
A 1 170.0 kg car traveling initially with a speed of 25.000 m/s in an easterly direction crashes into the back of a 9 800.0 kg t
Stella [2.4K]

Answer:

Explanation:

mass of car, m1 = 1170 kg

mass of truck, m2 = 9800 kg

initial velocity of car, u1 = 25 m/s

initial velocity of truck, u2 = 20 m/s

final velocity of car, v1 = 18 m/s

Let the final velocity of truck is v2.

(a) Use the conservation of momentum

m1 x u1 + m2 x u2 + m1 x v1 + m2 x v2

1170 x 25 + 9800 x 20 = 1170 x 18 + 9800 x v2

29250 + 196000 = 21060 + 9800 v2

v2 = 20.84 m/s

(b) Total kinetic energy before collision,

Ki = 0.5 x 1170 x 25 x 25 + 0.5 x 9800 x 20 x 20

Ki = 365625 + 1960000 = 2325625 J

Total final kinetic energy

Kf = 0.5 x 1170 x 18 x 18 + 0.5 x 9800 x 20.84 x 20.84

Kf = 189540 + 2128097.44

Kf = 2317637.44 J

Change in energy = 2325625 - 2317637.44 = 7987.56 J

(c) It is due to the heat energy

4 0
4 years ago
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Romashka [77]

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3 years ago
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Answer:

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Modern telescopes gather information from the electromagnetic spectrum far beyond the range of visible light.

The farthest bright galaxies, that the modern telescope is capable of seeing is 10000 millions light years away.

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When does acceleration due to gravity equal 9.8 m/s downward?
Elza [17]

Answer:

b

Explanation:

i took the quiz i think its right

7 0
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