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Dmitriy789 [7]
3 years ago
13

A toy helicopter is flying straight ahead. A fan is blowing air toward the helicopter's right.

Chemistry
2 answers:
e-lub [12.9K]3 years ago
7 0

Answer:

D.) The direction of the helicopter's motion will change

Alex_Xolod [135]3 years ago
4 0

D.  the direction of the helicopter's motion will change

Explanation:

When the fan pushes on the helicopter to the right, the direction of the helicopter motion must change as it flies past it.

Since the problem suggest that the fan must push the helicopter towards the right, it will deviate from its course.

  • According to newton's first law of motion "an object will continue in its state of rest or uniform motion unless acted upon by an external force".
  • The external force on the helicopter is given by the blowing fan.
  • This force will change to flight path of the toy helicopter.

learn more:

Newton's law brainly.com/question/11411375

#learnwithBrainly

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A 2.241-g sample of nickel reacts with oxygen to form 2.852 g of the metal oxide. Calculate the empirical formula of the oxide?
astraxan [27]

Answer:

NiO

Explanation:

Firstly, we need to know the mass of oxygen used up. This is the difference between the mass of the nickel and the mass of the oxide. This is : 2.852 - 2.241 = 0.611g

Now we convert these masses to mole by dividing by their atomic masses. The atomic mass of oxygen is 16 while that of nickel is 59

O = 0.611/16 = 0.0381875

Ni = 2.241/59 = 0.037983050847458

The next thing is to divide each by the smaller number of moles, which is that of the nickel.

O = 0381875 /0.037983050847458= 1

Ni= 0.037983050847458/0.037983050847458= 1

The empirical formula is thus NiO

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In the cells of the human body, oxgen molecules are used directly in a process that what?
shepuryov [24]

Answer:

cellular respiration. C6H12O6 + 6O2 → 6CO2 + 6H2O.

Explanation:

the process where cells convert chemical energy and/or nutrients into ATP and then the cells release the waste.

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3 years ago
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Answer:

do you want the whole project or just a part of it done ?

Explanation:

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How many grams are in 6.00 moles of NaCl?
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Is it 350.4, I assume?

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Bari oxit có công thức hóa hóa học là BaO . vậy bari oxit được tạo nên từ các nguyên tố
Softa [21]

Answer:

Bari oxit được tạo nên từ các nguyên tố Bari (Ba) và Oxi (O)

Explanation:

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