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Kryger [21]
3 years ago
14

Write a hypothesis why the moon has very little liquid water.

Physics
1 answer:
Llana [10]3 years ago
6 0
Because the Moon has a very small surface area compared to other spacial geo-bodies, it has cooled down much faster than Earth. Any water on the moon would freeze.
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If 3.0 newtons are required to lift a carton 12 meters, how much work is done? 0.0 J 4.0 J 15 J 36 J
svlad2 [7]
The answer is actually 36 J.

Hope this helped :)

Brainliest?
7 0
3 years ago
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Since there are no aurora observed on Venus we can conclude that Venus a. lacks atmospheric oxygen b. is too hot for magnetic fo
Brrunno [24]

Answer:

Yes, Venus does not have the same magnetic field as that of earth's  

Explanation:

Instead, there are solar wind particles that can deeply penetrate the venus atmosphere and can collide with the other carbon atoms already present in the air but lacks oxygen and thus does not have that strong magnetic field which would deflect the suns rays and create aurora in the sky at night.

6 0
3 years ago
A hockey puck of mass m1=165 g slides from left to right with an initial velocity of 15.5 m/s. It collides head on with a second
Fynjy0 [20]

Answer:

it may be -6 m/s

Explanation:

3 0
3 years ago
A 1400-kg rocket has a net propulsion force of 20 kN (kiloNewtons). Over a short time period, it uniformly speeds up from an ini
zubka84 [21]

Answer:

  W = 8.92 10² kJ

Explanation:

For this exercise they give us the strength, we must calculate the distance traveled, for this we need the rocket acceleration let's use Newton's second law

        F = m a

        a = F / m

        a = 20 103/1400

        a = 14.29 m/s²

With kinematics we can find the distance traveled

      v_{f}² = v₀² + 2 a x

      x = ( v_{f}²-v₀²) / 2 a

      x = (50² -35²) / 2 14.29

      x = 1275 / 28.58

      x = 44.61 m

Let's calculate the work

      W = F.d

The bold is vector; as indicated by the force is in the direction of movement the scalar product is reduced to the ordinary product

     W = F d

     W = 20 10³ 44.61

     W = 8.92 10⁵ J

     W = 8.92 10² kJ

6 0
3 years ago
A spring whose stiffness is 980 N/m has a relaxed length of 0. 50 m. If the length of the spring changes from 0. 25 m to 0. 81 m
Gelneren [198K]

151.9j

Explanation:

PE=1/2kx^2

PE=1/2(980)(.50)= 245j

PE=(1/2)(980)(.81)= 396.9j

396.9- 245= 151.9j

8 0
2 years ago
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