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4 years ago

What is weight? the subject is science

1 answer:

7 0

Weight is a force caused by gravity. Because it is a force, it is also measured in Newtons (N). It is the gravitational force between the object and the Earth. An object will have greater weight if it has more mass. ... Gravity on the Moon is less and that means an object will weigh less on Moon than on earth.

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Which of the following statements about the physical geography of North America is true?

Snowcat [4.5K]

The correct answer is <span>c. The most geologically active region of North America is found along the West Coast.

This is correct and can be observed by observing the territories and what constitutes them. </span>

5 0

3 years ago

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The apparent brightness of stars, in general, tells us nothing about their distances; we cannot assume that the dimmer stars are

Kruka [31]

Answer:

the same brightness and the same type of star

Explanation:

6 0

3 years ago

World oil reserves amount to about 10,000 EJ, and humankind uses energy at the rate of roughly 18 TW. If all our energy came fro

Volgvan

Answer:

t=17.61 years.

Explanation:

Given that

Reserve of energy = 10,000 EJ

Energy used by human = 18 TW

We know that

$1\ E= 10^{18}$

$1\ T= 10^{12}$

$Reserve\ of\ energy = 10,000 \times10^{18} J$

$Reserve\ of\ energy = 10^{22} J$

$Energy\ used\ by\ human = 18 \times10^{12}\ W$

Lets t time after energy will be exhaust

$18 \times10^{12}\times t=10^{22}$

$t=\dfrac{10^{22}}{18 \times10^{12}}\ s$

$t=5.55\times 10^8 \ s$

We know that

1 year = 365 days

1 year = 365 x 24 hr

1 year = 365 x 24 x 3600 s

$1year =3.15\times 10^7\ s$

$t=\dfrac{5.55\times 10^8 }{3.15\times 10^7}$

t=17.61 years.

5 0

3 years ago

What import did ancient Egyptian rely on from southwesr asia

torisob [31]

Answer:

there were very good resources

Explanation:

8 0

3 years ago

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How are prevailing winds formed

zhuklara [117]

Prevailing winds are the planetary winds that are caused by the formation of giant convection cells over the earth. Prevailing winds blow from the hot regions of the earth, like the tropics, to the cold areas of the earth, like the temperate or polar regions, and from the cold areas back to the hotter regions.

6 0

2 years ago

Read 2 more answers

What is weight? the subject is science ​

What is weight? the subject is science