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3 years ago

Drag the tiles to the correct boxes to complete the pairs.

Physics

2 answers:

frez [133]3 years ago

8 0

i matched the answers from question to answer in this order. 1,2. 2,3. 3,6. 4,1. 5,5. 6,4.

Fudgin [204]3 years ago

7 0

Answer:

The correct answer is option-

Make an observation---> an indoor plant in a dark room withers faster than the same plant in a room with ample sunlight.
Ask a question----> Why do certain indoor plants die faster based on where they’re placed in the house?
State a hypothesis----> sunlight is probably essential for plants to grow and live.
Run an experiment---> get two potted plants, cover one with black paper. Place both plants outside in sunlight and see what happens to each plant after one week.
Analyze the results ---> the plant in the pot with black paper withered while the other plant was healthy.
Communicate the results to others---> Plants need sunlight to make food so they can live.

Explanation:

These statements are related to a process called photosynthesis.

Hypothesis is a well-substantiated opinion which explains any natural phenomenon occurring in nature.

A scientific question is a statement which can have real answers which can be tested based on the experiments performed.

Experiments are methodical procedures used to support the hypothesis.

Based on this the selected options are correct.

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Choose the best explanation from among the following: A. It takes more energy to go from the Moon to the Earth because the Moon

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Answer:

B. The escape speed of the Moon is less than that of the Earth; therefore, less energy is required to leave the Moon.

Explanation:

Since the speed required to escape from the gravitational attraction of the Moon is less than the speed required to escape from the gravitational attraction of the Earth, less energy is required to travel from the Moon to the Earth, than is required to travel from the Earth to the Moon. This is because the kinetic energy is directly proportional to the square of the velocity.

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3 years ago

if you use the compound pulley, you will need to pull twice the distance but with less force. the force you need is equal to one

algol13

Answer:

F= 25/2 = 12.5N

Explanation:

When you use a compound pulley the force required depends on the mechanical advantage of the compound pulley. This is known as rate of loss of distance or the ratio of the force to the load.

M.A = Effort distance /Load distance. OR M.A = Load/Effort

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3 years ago

Knowing that the board is 4 meters long, one child weighs 300 n and the other 250 n, where should one of the children sit so tha

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3 years ago

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A flexible balloon contains 0.400 molmol of an unknown polyatomic gas. Initially the balloon containing the gas has a volume of

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Answer:

Mass released = 8.6 g

Given data:

Initial number of moles nitrogen= 0.950 mol

Initial volume = 25.5 L

Final mass of nitrogen released = ?

Final volume = 17.3 L

Formula:

V₁/n₁ = V₂/n₂

25.5 L / 0.950 mol = 17.3 L/n₂

n₂ = 17.3 L× 0.950 mol/25.5 L

n₂ = 16.435 L.mol /25.5 L

n₂ = 0.644 mol

Initial mass of nitrogen:

Mass = number of moles × molar mass

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Mass = 26.6 g

Final mass of nitrogen:

Mass = number of moles × molar mass

Mass = 0.644 mol × 28 g/mol

Mass = 18.0 g

Mass released = initial mass - final mass

Mass released = 26.6 g - 18.0 g

Mass released = 8.6 g

Read more on Brainly.com - brainly.com/question/15623698#readmore

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3 years ago