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3 years ago

Plants absorb WHAT from the atmosphere and release WHAT to the atmosphere.

Physics

2 answers:

makvit [3.9K]3 years ago

6 0

Plants absorb water and release o2

pogonyaev3 years ago

6 0

Plants absorb water and CO2 from the atmosphere and convert it to O2 using photosynthesis.

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A car ends up at x = -245 m after a displacement of -103 m. what was its initial position?

AysviL [449]

Answer:

-142m

Explanation:

To find the initial position of the car, we can add the displacement.

-245 + 103 = -142

Best of Luck!

5 0

3 years ago

On the Celsius scale, at what temperature does water boil?

kakasveta [241]

Answer:

100 degrees is the boiling point on the celsius scale and the freezing point is 0.

Explanation:

6 0

3 years ago

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A child’s toy sits on the bottom of a swimming pool in which the water depth is d=1.8 m. To a child standing at the pool edge, t

navik [9.2K]

Answer:

Horizontal distance is 1.28 + 2.04 = 3.32 m

Explanation:

Given data:

from below figure

Applying Pythagoras theorem

from Snell's law

$\frac{sin i}{sin r} = \frac{n_2}{n_1} = \frac{\frac{EF}{AB}}{\frac{DE}{BD}}$

$1.33 =\frac{ \frac{2.04}{\sqrt{(3.5 -1.8)^2 + 2.04^2}}}{\frac{x}{\sqrt{1.8^2 + x^2}}}$

solving for x we have

$x^2 = 1.626$

x = 1.28

Horizontal distance is 1.28 + 2.04 = 3.32 m

8 0

3 years ago

ball a has half the mass and eight times the kinetic energy of ball b. what is the speed ratio vava / vbvb ?

d1i1m1o1n [39]

Ball b has eight times more kinetic energy than ball a, which has half its mass. The speed ratio is 4.

<h3>What exactly does kinetic energy mean?</h3>

Force must be applied to object in order to accelerate. To apply a force, we must work hard. Because energy has been transferred to the object, it will be moving at a new, constant speed once the operation is finished.

Given,

Two balls a and b

and the mass of ball an is half that of ball b..

Kinetic energy of ball a is eight times kinetic energy of ball b.

mₐ = $\frac{1}{2} m_{b}$

KEₐ = 8 KE $_{b}$

Kinetic energy is measured by,

KE = 1/2 mv²

KE ratios for both balls a and b are calculated,

∴ $\frac{KE_{a} }{KE_{b} }$ = $\frac{1/2 m_{a} v_{a}^{2} }{1/2 m_{b} v_{b} ^{2} }$

$\frac{8 KE_{b}}{KE_{b} }$ = $\frac{1/2 (1/2m_{b}) v_{a}^{2} }{1/2 m_{b} v_{b} ^{2} }$

16 = $\frac{v_{a} ^{2} }{v_{b} ^{2} }$

$\frac{v_{a} }{v_{b} }$ = 4/1

To know more about kinetic energy, visit:

brainly.com/question/2302596

#SPJ4

4 0

1 year ago

Calculate the upthrust on a object immersed in water if the object displace water of mass 2 kg.(g=9.8m/s²)

olga2289 [7]

Explanation:

Buoyant force = Weight of water displaced.

=mg=2×9.8N=19.6N.

7 0

3 years ago

Read 2 more answers