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3 years ago

What is the difference between weathering, erosion, and decomposition?

2 answers:

8 0

Weathering is where something is changed or mutilated by the weather. Erosion is hwere water or an other substance digs awaya at something and wears it out. I don't exactly know the last one or how to explain

alexira [117]3 years ago

6 0

Weathering is the breaking down of material by long exposure to physical elements, erosion is the transportation of broken down material, and decomposition is the state of decay.

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Why is my answer incorrect ?

Simora [160]

Might of had a different magnitude.

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3 years ago

Plz answer #2 plz this is 8th grade science / physics

MrRissso [65]

All you need is your science book

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3 years ago

What happens inside when an air-filled, sealed can, is heated?.

g100num [7]

Answer:

It would explode

Explanation:

you're welcome

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2 years ago

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Will water pressure be greater at the bottom of a container that you put a hole in or at the top of a container?

ddd [48]

Pressure=hrg
pressure is great at the bottom because the weight lf water exerts pressure below the container due to the gravitational pull of the earth.

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3 years ago

Jason launches a model rocket with a mass of 2.0 kg from his spring-powered rocket launcher with a spring constant of 800 N/m. H

Arada [10]

Answer:

121 Joules

6.16717 m

Explanation:

m = Mass of the rocket = 2 kg

k = Spring constant = 800 N/m

x = Compression of spring = 0.55 m

Here, the kinetic energy of the spring and rocket will balance each other

$\frac{1}{2}mu^2=\frac{1}{2}kx^2\\\Rightarrow u=\sqrt{\frac{kx^2}{m}}\\\Rightarrow u=\sqrt{\frac{800\times 0.55^2}{2}}\\\Rightarrow u=11\ m/s$

The initial velocity of the rocket is 11 m/s = u.

v = Final velocity

s = Displacement

a = Acceleration due to gravity = 9.81 m/s² = g

$v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{0^2-11^2}{2\times -9.81}\\\Rightarrow s=6.16717\ m$

The maximum height of the rocket will be 6.16717 m

Potential energy is given by

$P=mgh\\\Rightarrow P=2\times 9.81\times \frac{0^2-11^2}{2\times -9.81}\\\Rightarrow P=121\ J$

The potential energy of the rocket at the maximum height will be 121 Joules

5 0

3 years ago