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3 years ago

Why do plants need to obtain carbon atoms?

Physics

1 answer:

Firdavs [7]3 years ago

5 0

Answer:

A) Plants use carbon to build glucose during photosynthesis.

Explanation:

Plants produce their food by the process of photosynthesis.

hope this helps :}

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An object on the surface of the earth has a force of gravity of 682 N. What is the objects mass?

valina [46]

The object's mass is around 69.592 kg

F=mg

5 0

3 years ago

Two forces act on an object. The first force has a magnitude of 17.0 N and is oriented 48.0° counterclockwise from the x ‑axis,

Ivanshal [37]

Answer:

Fn: magnitude of the net force.

Fn=30.11N , oriented 75.3 ° clockwise from the -x axis

Explanation:

Components on the x-y axes of the 17 N force(F₁)

F₁x=17*cos48°= 11.38N

F₁y=17*sin48° = 12.63 N

Components on the x-y axes of the the second force(F₂)

F₂x= −19.0 N

F₂y= 16.5 N

Components on the x-y axes of the net force (Fn)

Fnx= F₁x +F₂x= 11.38N−19.0 N= -7.62 N

Fny= F₁y +F₂y= 12.63 N +16.5 N = 29.13 N

Magnitude of the net force.

$F_{n} =\sqrt{(F_{nx})^{2} +(F_{ny}) ^{2} }$

$F_{n} =\sqrt{(-7.62)^{2} +(29.13) ^{2} }$

$F_{n} = 30.11N$

Direction of the net force (β)

$\beta =tan^{-1} (\frac{29.13}{7.62} )$

β=75.3°

Magnitude and direction of the net force

Fn= 30.11N , oriented 75.3 ° clockwise from the -x axis

In the attached graph we can observe the magnitude and direction of the net force

6 0

3 years ago

3 examples when friction is helpful?

Svetllana [295]

Some examples of when friction is helpful are: to help the movement of tires. When you walk, and also, when you erase. :)

4 0

3 years ago

A north magnetic pole is facing another north magnetic pole with a distance x. If the distance between the poles becomes 12x, wh

krek1111 [17]

Answer:

1.)The field energy will increase.

The rest of the answers:

2.)The energy increases, and the lines of force are denser

3.) It points toward the field of earths magnetic poles.

4.) l, ll, and lll only

5.) ll, lV, l, lll

4 0

3 years ago

How do land and sea breeze work?

Studentka2010 [4]

by the wind and air flow in the wind

7 0

3 years ago