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NeTakaya
2 years ago
5

Plz help me find the answers

Physics
2 answers:
san4es73 [151]2 years ago
6 0

Answer: Plastids are the site of manufacture and storage of important chemical compounds used by the cells of autotrophic eukaryotes

Explanation:

Aleonysh [2.5K]2 years ago
3 0

Answer:

Plastids: any of a class of small organelles, such as chloroplasts, in the cytoplasm of plant cells, containing pigment or food.

Explanation:

Could be that?

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How long would it take an object to reach the ground from the top of a building that is 470 feet tall? Round to the nearest tent
Zinaida [17]

Answer:

It would take the object 5.4 s to reach the ground.

Explanation:

Hi there!

The equation of the height of a free-falling object at any given time, neglecting air resistance, is the following:

h = h0 + v0 · t + 1/2 · g · t²

Where:

h = height of the object at time t.

h0 = initial height.

v0 = initial velocity.

g = acceleration due to gravity (-32.2 ft/s² considering the upward direction as positive).

t = time

Let´s supose that the object is dropped and not thrown so that v0 = 0. Then:

h = h0 + 1/2 · g · t²

We have to find the time at which h = 0:

0 = 470 ft - 1/2 · 32.2 ft/s² · t²

Solving for t:

-470 ft = -16.1 ft/s² · t²

-470 ft / -16.1 ft/s² = t²

t = 5.4 s

3 0
3 years ago
3. a) Your body is made up of several simple machines that help you move. Identify three
Alja [10]

Answer:

Explained below

Explanation:

1) The human arm: This is a type of simple machine called "Lever". In this type of machine, the elbow acts as the fulcrum, the palm serves as the load because that's where we place the load we want to carry. While the inner part of the arm which is the inner part of the elbow represents the effort because that is the joint we mover when making use of our arms.

2) Pulleys: An example of this in the human body is the knee cap where the direction of an applied force is changed. Thus means as it is in motion, it alters the direction for which the quadriceps tendon pulls on the tibia.

3) wheel and axle: An example of this in the human body is the lateral rotation of the shoulder joint medial. The humerus which is the bone between the shoulder and elbow will act as the axle while the rotator will be the will because when it is rotated a little bit, the humerus will move along with it.

8 0
2 years ago
A small car and an SUV are at a stoplight. The car has amass equal to half that of the SUV, and the SUV's engine canproduce a ma
Hatshy [7]

Answer:a) It is a tie

Explanation:

Given

mass of car is half of SUV

if mass of SUV is 2m so the mass of car is m

SUV can produce twice the force of car i.e. 2 F

so acceleration experienced by SUV

a_{SUV}=\frac{2F}{2m}

a_{SUV}=\frac{F}{m}

acceleration of Car

a_{car}=\frac{F}{m}

both start with zero initial velocity therefore after few second they will be having same velocity and share same position.

                                 

5 0
3 years ago
How long does it take for light to get to earth from the moon?
FrozenT [24]
About 1.3 SECONDS.............
4 0
3 years ago
Plant cells and animal cells were observed under a microscope. The characteristics of two cells are listed below. Cell A: Has a
ziro4ka [17]
C. The cell wall supports the plant cell as it contains celluose which is a very strong substance and even thought chloroplast is in both that is the only available answer. Hope it helps
6 0
3 years ago
Read 2 more answers
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