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mario62 [17]
3 years ago
5

Help me with number 28.

Physics
1 answer:
Ray Of Light [21]3 years ago
3 0
What you wrote in the space under the question is correct, but
you can go a lot farther than that.

The question gives you the mass of the object, and enough information
to calculate its volume. 

So go on from where you left off ... take the formula you wrote (correctly),
plug in the numbers for mass and volume, and find the density.  You can do it !
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If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance, how
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A net force of 200 newtons is applied to a wagon for 3 seconds. This cause the wagons to undergo a change in momentum of ?
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8 0
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What could you do to change the volume of a gas?
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8 0
3 years ago
Give a calculate answer to show that the two values (English system and metric system) for the Planck Constant are equivalent.
Nataly_w [17]

Answer:

Given values of Planck Constant are equivalent in English system and metric system.

Explanation:

Value of Planck's constant is given in English system as 4.14 x 10⁻¹⁵eV s.

Converting this in to metric system .

We have 1 eV = 1.6 x 10⁻¹⁹ J

Converting

     4.14 x 10⁻¹⁵eV s = 4.14 x 10⁻¹⁵x 1.6 x 10⁻¹⁹ = 6.63 x 10⁻³⁴ Joule s

So Given values of Planck Constant are equivalent in English system and metric system.

7 0
3 years ago
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