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Kobotan [32]
3 years ago
11

Are you weightless when you go upwards in an elevator.Explain using newtons 3rd law of motion

Chemistry
1 answer:
Karo-lina-s [1.5K]3 years ago
6 0

Answer:

yes

Explanation:

inside the free falling elevator you and the scale are both in free fall. because the only force acting on you is gravity, the scale is no longer pushing up on you. according to Newton's 3rd law you no longer push down on the scale so the scale pointer stays at zero making you seem weightless .

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Paraffin oil is used for determination of boiling point and melting point for the following reasons: It has a very high boiling point and so it can be used to maintain high temperatures in the boiling and melting point apparatus without loss of the substance.

4 0
2 years ago
A balloon at 32 °C is filled with 21 L of air. What would its volume be at a temperature of 52 °C, assuming pressure remains con
I am Lyosha [343]

Answer:C). 24L

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3 years ago
What are some physical properties that could have helped to identify a mystery powder?
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i dont really know i will find some more information on that in about 5 minutes

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Recycling of aluminum cans is an example of A) increasing entropy is a nonspontaneous process B) decreasing entropy is a nonspon
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Answer:

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3 0
3 years ago
Calculate the mass percent of calcium chloride in 8.87 g of calcium chloride in 65.1 g of water
zhannawk [14.2K]

Answer:

11.99 % ≅ 12.0%.

Explanation:

∵ mass % = [mass of solute/mass of solution] x 100.

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7 0
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