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3 years ago

2. What is responsible for mudslides, rockfalls, and landslides

Physics

2 answers:

makkiz [27]3 years ago

8 0

It is a geological process called erosion.

mina [271]3 years ago

3 0

Answer:

Flash flooding or ongoing heavy rain can be precursors to landslides, mud/debris flows, and even rockfalls. ... Rockfalls are often caused by erosion of earth around larger rocks that then become loose and fall. Earthquakes can also lead to landslides and rockfalls.

Explanation:

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sergij07 [2.7K]

Friction acts on the ball and causes it to stop

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What is the <br><br> Main function of a telescooe

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3 years ago

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Antimony consists of two major isotopes with the following atomic masses: 121Sb (120.904 amu) and 123Sb (122.904 amu). The avera

Bad White [126]

Answer:

121Sb=57.2%

123Sb=42.8%

Explanation:

We are given that

Atomic mass of 121Sb=120.904 amu

Atomic mass of 123Sb=122.904 amu

Average atomic mass of antimony=121.760 amu

We have to find the percent of each of the isotope.

Let x be the percent of 121Sb and 1-x be the percent of 123Sb.

Using formula of average atomic weight

Average atomic weight=atomic weight of 121Sb $\times$ percentage abundance of isotope 121Sb+atomic weight of 123Sb $\times$ percentage abundance of isotope 123Sb

Substitute the values

$121.760=120.904x+122.904(1-x)$

$121.760=120.904x+122.904-122.904x$

$121.760=-2x+122.904$

$2x=122.904-121.760$

$2x=1.144$

$x=\frac{1.144}{2}=0.572$

Percentage of 121Sb= $0.572\times 100=$ 57.2%

Abundance of isotope 123Sb=1-0.572=0.428

Percentage of isotope 123Sb= $0.428\times 100=$ 42.8%

7 0

4 years ago

A hydraulic lift has two connected pistons with cross-sectional areas 15 cm2 and 670 cm2. It is filled with oil of density 510 k

BigorU [14]

Answer:

Explanation:

Given

Cross-sectional area of two areas is

$A_1=15\ cm^2$

$A_2=670\ cm^2$

It is filled with oil of density $\rho _0=510\ kg/m^3$

mass of car place on Large area $M=1100\ kg$

Suppose a mass of m kg is placed on smaller area

According to pascal law's intensity of pressure is same at every point on Liquid

$P_1=P_2$

$\frac{F_1}{A_1}=\frac{F_2}{A_2}$

$\frac{mg}{15}=\frac{Mg}{670}$

$m=1100\times \frac{15}{670}$

$m=24.62\ kg$

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3 years ago

What is resultant force?

Sergio039 [100]

Answer:

In physics and engineering, a resultant force is the single force and associated torque obtained by combining a system of forces and torques acting on a rigid body. The defining feature of a resultant force, or resultant force-torque, is that it has the same effect on the rigid body as the original system of forces.

I hope it's helpful!

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3 years ago

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