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3 years ago

Which one is an accurate description of the process of erosion?

2 answers:

4 0

The accurate description of the process of erosion is when moving bits of rock and soil across the earth’s surface by water, wind, or glaciers. The answer is letter C.

Lilit [14]3 years ago

4 0

An accurate description of erosion would be C. moving bits of rock and soil across the earth's surface by water, wind, or glaciers.

Erosion occurs over time when the Earth's surface begins to get worn down resulting in things like valleys, mud after a rainstorm, and rocks located on the bottom of a body of water.

Due to the force of gravity water easily flows from one place to another, which is why erosion occurs.

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Select all that apply. which of the following astronomers supported the sun-centered system? tycho brahe johannes kepler coperni

Alex73 [517]

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-Tycho Brahe and

-Ptolemy

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3 years ago

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On the kelvin scale what is the freezing point of water

Alla [95]

Freezing point of the water is known as 273 K

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3 years ago

Sir Isaac newton's book on laws of motion and gravity is considered of what significance

Mars2501 [29]

Answer:

Explanation:

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3 years ago

Can I answer my own question

Andre45 [30]

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3 years ago

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a 2500 kg car going 35 m/a hits a 4000kg truck that is sitting still. What is the velocity of the truck if the car transfers all

lianna [129]

Answer:

Velocity of truck is 21.875 m/s.

Explanation:

Given:

Mass of the car (m) = 2500 kg

Initial speed of the car (u) = 35 m/s

Mass of the truck (M) = 4000 kg

Initial speed of the truck (U) = 0 m/s (Rest)

As per question, the total momentum of the car gets transferred to the truck.

Therefore, the final momentum of the car is 0.

Momentum is given as the product of mass and velocity.

So, if momentum becomes zero means the velocity becomes 0.

Therefore, final velocity of the car (v) = 0 m/s

Let the final velocity of truck be 'V' m/s.

Now, during collision, the total momentum remains conserved.

Initial momentum = Final momentum.

Initial momentum of car + Initial momentum of truck = Final momentum of car + Final momentum of truck.

⇒ $mu+MU=mv+MV\\\\2500\times 35+4000\times 0=2500\times 0+4000\times V\\\\87500+0=0+4000V\\\\4000V=87500\\\\V=\frac{87500}{4000}\\\\V=21.875\ m/s$

Therefore, the velocity of the truck is 21.875 m/s.

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3 years ago