2 years ago

Plains and mountains are examples of formed by processes that shape Earth's surface.

Physics

1 answer:

Kryger [21]2 years ago

7 0

Answer:

Im not sure what you're asking, but im assuming this is a TRUE or FALSE question.

This statment would be *TRUE*.

Explanation:

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Yakvenalex [24]

A, if this is not correct, please choose D.

6 0

2 years ago

A 19.3 kg dog is running northward at 2.98 m/s , while a 6.26 kg cat is running eastward at 3.64 m/s . Their 78.7 kg owner has t

m_a_m_a [10]

Answer:

v = 0.78 m/sec at 21.61° towards the east of north

Explanation:

Given a 19.3 kg dog is running northward at 2.98 m/s , while a 6.26 kg cat is running eastward at 3.64 m/s and the mass of the owner is 78.7 kg.

Given m(dog) = 19.3 kg and m(cat) = 6.26 kg

v(dog) = $2.98\vec{j}$ m/sec

v(cat) = $3.64\vec{i}$ m/sec

Given the $\vec{P}(owner)=\vec{P}(dog)+\vec{P}(cat)$

Let the velocity of the owner be $\vec{v}$

We know that $\vec{P}=m\vec{v}$

$m(owner)\times \vec{v}=m(dog)\times \vec{v(dog)}+m(cat)\times \vec{v(cat)}$

$78.7\times \vec{v}=19.3\times 2.98\vec{j}+6.26\times 3.64\vec{i}$

$\vec{v}=\frac{1}{78.7}(57.5\vec{j}+22.78\vec{i})$

$v=\sqrt{(\frac{57.5}{78.7})^2+(\frac{22.78}{78.7})^2 }$

v=0.78 m/sec

for direction

Tan(α)= $\frac{component of x}{component of y}$

where α is the angle toward east of north.

Tan(α)= $\frac{22.78}{57.5}$

α=21.61°

3 0

2 years ago

What is one characteristic of the organization of the Periodic Table?

Alika [10]

Answer:

Atoms of elements with the same electons in the outer most shell they are put in the same group on the periodic table

6 0

2 years ago

Calculate the acceleration if you push with a 20-N horizontal force against a 2-kg block on a horizontal friction- free air tabl

Nuetrik [128]

<span>10 meters per second. The formula is F = ma, so to solve we substitute 20 for F, 2 for m and then solve for a. 20 divided by 2 - 10, therefore the acceleration is 10 meters per second.</span>

8 0

2 years ago

Five 6 ohm resistors are connected in parallel. Which of the following is their effective resistance?

Ganezh [65]

1/Rt = 1/R1 + 1/R2 + 1/R3+ 1/R4+ 1/R5

1/Rt = 1/6+ 1/6+1/6+1/6+1/6

1/Rt = 5/6

Rt = 6/5

Rt = 1.2 ohm

so B is the answer

3 0

3 years ago