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3 years ago

What is the photosynthes?

Physics

2 answers:

Westkost [7]3 years ago

7 0

It is the process in which green plants make their food through a green pigment known as Chlorophyll by using sunlight, Carbon-dioxide and water. The result comes out with the formation of Oxygen as a byproduct. But in night they also respire like animals and photosynthesis does not occur. Photo means light and synthesis means manufacture.

Triss [41]3 years ago

3 0

Photo means light. Synthesis refers to manufacture. Photosynthesis is the process by which green plants manufacture their own food which is mainly carbohydrates or starch in the presence of sunlight under the influence of a pigment called chlorophyll which acts as a biological catalyst and by using carbon dioxide and water as the raw material. This process results in the evolution of oxygen gas.

equation of photosynthesis :

6CO2 +6H2O ==>C6H12O6+6O2

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Roseanne and Jackie were asked to design and create a paper airplane that would stay in the air for as long as possible. They be

jekas [21]

Answer:

the planes times in the air

Explanation:

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The weight also does not determine the time the plane was in the air.

So, the planes air time recorded with the stopwatch gives the time the plane was in the air and will indicate the best plane.

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Bad White [126]

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3 years ago

Read 2 more answers

a baseball is hit straight up into the air. If the initial velocity was 20 m/s, how high will the ball go?How long will it be un

AleksAgata [21]

1) The motion of the ball is an uniformly accelerated motion, with constant acceleration equal to $g=-10 m/s^2$ (the negative sign means it is directed towards the ground).

For an uniformly accelerated motion, we can use the following relationship:
$2gh=v_f^2-v_i^2$
where h is the maximum height reached by the ball, $v_i = 20 m/s$ is its initial velocity and $v_f$ the velocity of the ball when it reaches the maximum height. But $v_f=0$ (when the ball reaches the maximum height, it stops before going down, so its velocity at that moment is zero), so we can use the relationship to calculate h, the maximum height:
$h=- \frac{v_i^2}{2g} =- \frac{20 m/s)^2}{2 \cdot (-10 m/s^2)} =20 m$

2) We can find the time the ball takes to return to the ground by requiring that the space covered by the ball returns to zero:
$S(t)=0$
where for an uniformly accelerated motion,
$S(t)=v_i t + \frac{1}{2} gt^2 =0$
By solving this, we have two solutions: one is t=0, which corresponds to the moment the player hits the ball, the second one is
$t=- \frac{2 v_i}{g}=- \frac{2 \cdot 20 m/s}{-10 m/s^2}=4 s$
so, the ball returns to the ground after 4 s.

3) The velocity of the ball when it returns to the ground is given by:
$v(t) = v_i +gt=20 m/s + (-10 m/s^2)(4 s)=-20 m/s$
where the negative sign means the ball is going downwards.

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3 years ago

How do you solve this scientific notation question?

podryga [215]

factorise 1/10^2 out of both.

add 1/4.5 to 1/9.4 .... common denominator 4.5x9.4

multiply result by 1/10^2

find reciprocal of result

phew !

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3 years ago

What is the wavelength of a wave that is traveling at 343 m/s with a frequency of 1000 Hz

ZanzabumX [31]

Answer:

$343 \div 1000 = 0.343$

wavelength is equivalent to the velocity divided by the frequency

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3 years ago