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dolphi86 [110]
4 years ago
11

What is escape velocity​

Physics
2 answers:
Bogdan [553]4 years ago
3 0
The minimum speed needed a non-propelled object to escape from the gravitational influence of a massive body, that is to achieve an infinite distance from it. I think
Eddi Din [679]4 years ago
3 0

<em>Answer:</em>

<em>E</em><em>scape velocity is defined as the velocity which will take a body to go the infinite distance away above the surface of the earth when projected upwards.</em>

<em>Hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em><em>.</em>

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Despite their name, standing waves actually do cause the medium to move
Gemiola [76]

Answer:

true

Explanation:

5 0
3 years ago
A 18-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 30 N. Starting from rest, the sle
k0ka [10]

Answer:

Coefficient of kinetic friction = 0.146

Explanation:

Given:

Mass of sled (m) = 18 kg

Horizontal force (F) = 30 N

FInal speed (v) = 2 m/s

Distance (s) = 8.5 m

Find:

Coefficient of kinetic friction.

Computation:

Initial speed (u) = 0 m/s

v² - u² = 2as

2(8.5)a = 2² - 0²

a = 0.2352 m/s²

Nweton's law of :

F (net) = ma

30N - μf = 18 (0.2352)

30 - 4.2336 = μ(mg)

25.7664 =  μ(18)(9.8)

μ = 0.146

Coefficient of kinetic friction = 0.146

6 0
4 years ago
The color of a star depends on its , and -colored stars are the coolest.
wlad13 [49]

Answer:

temperature and red

is the answer

Explanation:

7 0
4 years ago
Read 2 more answers
true or false when taking a handoff you need to make sure you you reach out with your hands and grab the ball ​
astra-53 [7]

Answer:

i think False

Explanation:

8 0
3 years ago
If the index of refraction of water is 1.33, calculate the speed of light in water.
astra-53 [7]

Answer:

The correct option is;

2.26 × 10⁸

Explanation:

The index of refraction, in a medium, n = The speed of light in air/(The speed of light in the medium)

The speed of light = 299792458 m/s

Given that the index of refraction of water = 1.33, we have;

1.33 = 299792458/(The speed of light in water)

The speed of light in water = 299792458/1.33 = 225407863.58 m/s ≈ 2.26 × 10⁸ m/s

The speed of light in water ≈ 2.26 × 10⁸ m/s

Therefore;

v ≈ 2.26 × 10⁸ m/s.

6 0
3 years ago
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