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Serggg [28]
3 years ago
10

Which is heavier , a kilogram of lead or a kilogram of a polystyrene beads ?​

Physics
2 answers:
poizon [28]3 years ago
7 0

Answer:

they both are the same

Explanation:

they both weigh 1 kg

Mars2501 [29]3 years ago
3 0

Answer:

They weight the same, they're both 1 kilogram

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In the periodic table, the properties repeat in what direction?​
pogonyaev

Answer:

Left to right and top to bottom

Explanation:

On the periodic table, the properties repeat from left to right and from top to bottom.

Periodic properties have a pattern from the top to the bottom or down a group or family.

Also, across the period from left to right, they also show a repeating pattern.

  1. Certain properties increase from left to right and decreases from top to bottom. E.g. electronegativity.
  2. Also, some properties decreases from left to right and increases from top to bottom e.g. atomic radius.
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For the circuit in the previous part, with the frequency set at 1 hz, what happens if the inductance of the inductor is increase
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L = Xl / 2*pi*f

Therefore, as what we saw, inductance and frequency are inversely proportional. To add up, when inductance increases the frequency would decrease.
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A device called a railgun uses the magnetic force on currents to launch projectiles at very high speeds. an idealized model of a
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A teacher did an experiment to show the movement of particles in solids, liquids, and gases. The experimental set-up is shown be
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Hence, in solid substances the molecules have low kinetic energy.

Whereas in liquids, the molecules are held by less strong intermolecular forces of attraction as compared to solids. Due to which they are able to slide past each other. Hence, they have medium kinetic energy.

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