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Soloha48 [4]
3 years ago
11

Is a rock that cools quickly after lava rusted through a volcano what is the best description of its texture

Physics
2 answers:
umka21 [38]3 years ago
7 0
I think glass. Where does rust play a part of lava?

gavmur [86]3 years ago
3 0
The physical description would be soft due to the lava cooling the rock.
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The gravitational force between two volleyball players is 3.3x10^-7.
Pepsi [2]

The distance of separation between the two masses is 0.927 m.

<h3>Gravitational force:</h3>

This is the force that exists between two masses in the universe.

To calculate the distance of separation of the masses, we use the formula below.

  • F = GMm/r².............. Equation 1

Where:

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  • M = Second mass
  • G = Universal constant
  • r = distance of seperation.

Make r the subject of the equation.

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From the question,

Given:

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Substitute these values into equation 2

  • r = √(61×75×6.69×10⁻¹¹)/(3.3×10⁻⁷)
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Hence, The distance of separation between the two masses is 0.927 m

Learn more about Gravitational force here: brainly.com/question/11359658

5 0
2 years ago
A skier leaves the end of a horizontal ski jump at 23.0 m/s and falls through a vertical distance of 3.45 m before landing.
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Explanation:

Given

Velocity v = 23.0m/s

Distance S = 3.45m

Required

Time it will take the skier to reach the ground;

Using the equation of motion;

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3.45 = 23t + 4.9t²

4.9t²+23t-3.45 = 0

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t = 1.43/9.8

t = 0.146 secs

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Range = U√2H/g

Range = 23√2(3.45)/9.8

Range = 23√6.9/9.8

Range = 23√0.7041

Range = 23(0.8391)

Range = 19.29m

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