2 years ago

How would planting trees and grass on a hillside help protect the land from these processes?

Physics

1 answer:

Arada [10]2 years ago

3 0

Planting trees and grass on a hillside keeps the dirt and soil compacted so nothing fall.

I really do hope that this helps. ^_^

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Lena [83]

5.972 × 10^24 kg

it is the weight of earth

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2 years ago

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Calculate the Force required to give a bullet of mass 50 g an acceleration of 300 m/s2

NNADVOKAT [17]

Answer:

<h3>The answer is 15 N</h3>

Explanation:

The force acting on an object can be found by using the formula

<h3>Force = mass × acceleration</h3>

From the question

mass = 50 g = 0.05 kg

acceleration = 300 m/s²

We have

force = 0.05 × 300

We have the final answer as

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3 years ago

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myrzilka [38]

Answer: Yes.

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3 years ago

Witch of the following is the correct definition of convention

iogann1982 [59]

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2 years ago

1. A mass is on a level plane, it has a weight of 20N. What is the coefficient of kinetic friction if an applied force

Arturiano [62]

Answer:

0.4

Explanation:

F-Fr=ma where F is applied force, Fr is friction, m is mass and a is acceleration.

Since the mass is moving with a constant velocity, there's no acceleration hence

$F=Fr=\mu N$ where N is the weight of object and \mu is coefficient of kinetic friction.

$F=\mu N and making [tex]\mu$ the subject

$\mu=\frac {F}{N}$

Substituting F for 8 N and N for 20 N

$\mu=\frac {8}{20}=0.4$

Therefore, coefficient of kinetic friction is 0.4

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3 years ago