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kotegsom [21]
3 years ago
10

Tyrone and Valerie wanted to determine what feature of a paper airplane would cause it to fly the farthest. Tyrone made his airp

lane with wider wings than Valerie’s airplane. Valerie’s airplane had shorter wings, and the plane was also narrower and longer than Tyrone’s. After testing the two airplanes several times, the evidence shows that Tyrone’s airplane flew farther through the air than Valerie’s airplane.
Describe why the investigation above is not adequate to explain which airplane feature caused Tyrone’s airplane to fly farther than Valerie’s.

Using what Tyrone and Valerie have already observed, suggest a possible hypothesis regarding one feature of a paper airplane.

Identify the independent and dependent variables. Describe, in detail, a procedure to test your hypothesis. Identify the controlled variables.
Chemistry
1 answer:
Masja [62]3 years ago
4 0
<span>I think this is due to aerodynamics. Air is the stuff this is all around you. carry your hand in front of your physique which includes your palm dealing with sideways so as that your thumb is on appropriate and your pinkie is dealing with the floor. Swing your hand back and forth.</span>
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Choose the BEST answer from the four options A, B, C, or D: Due to which property of LPG are we asked to close the valve of the
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Answer:

A

Explanation:

We are usually asked to close the valve of the gas cylinder in our various kitchens at home <u>due to the inflammable property of the Liquified Petroleum Gas.</u>

<em>Without closing the valve, the LPG would diffuse into our homes, and any form of spark would cause an explosion and lead to a fire. Lives and properties could be lost in the process.</em>

The correct option is A.

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2 years ago
Determine the amount of moles in 6.36x10^25 molecules of H2O
photoshop1234 [79]
<span>(6.36x10^25)/(6.02*10^23) is approximately 105.6 moles</span>
3 0
3 years ago
The part in the middle with a coil of wire wrapped around a metal shaft is part of an electric motor. What is it?
evablogger [386]

Answer:

  rotor

Explanation:

The part of the motor being pointed to is called the <em>rotor</em>.

4 0
2 years ago
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If the mass of a material is 91 grams and the volume of the material is 20 cm3, what would the density of the material be?
AlekseyPX
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8 0
3 years ago
The number of grams of H2 in 1470 mL of H2 gas. ​
Lorico [155]

Answer:

0.1313 g.

Explanation:

  • It is known that at STP, 1.0 mole of ideal gas occupies 22.4 L.
  • Suppose that hydrogen behaves ideally and at STP conditions.

<u><em>Using cross multiplication:</em></u>

1.0 mol of hydrogen occupies → 22.4 L.

??? mol of hydrogen occupies → 1.47 L.

∴ The no. of moles of hydrogen that occupies 1.47 L = (1.0 mol)(1.47 L)/(22.4 L) = 6.563 x 10⁻² mol.

  • Now, we can get the no. of grams of hydrogen in 6.563 x 10⁻² mol:

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5 0
2 years ago
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