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4 years ago

At which latitudes do currents of dry sinking air cause the dry conditions of earth's major deserts

1 answer:

5 0

Currents of dry sinking air cause the dry conditions of earth's major deserts at: 30° N and 30° S Latitudes

At approximately 30 degrees from the equator, the air that moved up from the equator started to descends. This air, however, could only come from one direction. So when the air is blocked by a mountain, the other side will not receive any water that it contains. This makes the other sides of the mountain became really dry which will eventually cause the formation of the desert.

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An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the moon? A. 12.24 N B. 196 N C

Lady_Fox [76]

Correct answer: B
The force of gravity acting on the object on the moon can be found by multiplying its mass by the acceleration due to gravity on the moon. The acceleration due to gravity on the moon is a constant and is approximately 1.63m/s².
120kg×1.63m/s²=195.6kg.m/s²
kg.m/s²=N
The force of gravity acting on the object on the moon would be of approximately 196N.

8 0

3 years ago

Read 2 more answers

Need some help please

11Alexandr11 [23.1K]

Answer:

$x^2\neq -\frac{5}{13}$

First option

Explanation:

Operations with functions

Given two functions f, g, we can perform a number of operations with them including addition, subtraction, product, division, composition, and many others .

We have

$f(x)=20x^3-7x^2+3x-7$

$g(x)=-13x^2-5$

We are required to find

$\displaystyle \frac{f}{g}(x)$

We simply divide f by g as follows

$\displaystyle \frac{f}{g}(x)=\frac{20x^3-7x^2+3x-7}{-13x^2-5}$

We know rational functions may have problems if the denominator can be zero for some values of x. We must find out if there are such values and exclude them from the domain of the new-found function. We must ensure

$-13x^2-5\neq 0$

or equivalently

$x^2\neq -\frac{5}{13}$

Thus the first option is correct

Note: Since $x^2$ is always a positive number (for x real), our function does not really have any restriction in its domain

8 0

3 years ago

Day and night are caused by

klemol [59]

Answer:

The Moon rotating around Earth and the Earth rotating around the Sun

Explanation:

3 0

3 years ago

Read 2 more answers

Two cars collide inelastically and stick together after the collision. Before the collision, the magnitudes of their momenta are

slavikrds [6]

Answer:

The correct answer is

p = p₁ + p₂

Explanation:

Newton's second law states that force = the change of momentum produced therefore since the collision is inelstic then the change of momentum of each car is p₁ and p₂ and the force of the collition is proportional to p₁ + p₂ that is

F ∝ p₁ + p₂ and since force is directly proportional to p we have

p = p₁ + p₂

7 0

4 years ago

A 0.5kg pair of shoes weigh 0.3N on Pluto, what is the pull of gravity there?

lara [203]

Answer:

g= 0.6 m/s2

Explanation:

F = Mg

0.3 = 0.5g

g= 0.3/0.5

7 0

3 years ago