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RoseWind [281]
3 years ago
5

Q:1 write down the differences between mass and weight ?​

Physics
1 answer:
Evgesh-ka [11]3 years ago
7 0

Answer:

mass is the amount of "matter" in an object. weight is the force exerted on an object by gravity

Explanation:

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The concentration of sodium and potassium ions in the blood and body fluid is regulated by :
Liula [17]

Answer:

Kidney

Explanation:

One of the main function of the kidney is to maintain the homeostasis of sodium and potassium ions in the blood and body.

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Kidney function for reabsorption and secretion, in which reabsorption of Na is done nd balances the sodium and potassium in the blood and body.

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A wooden block meauring 40cm x 10cm x 5cm has a mass 850gm . find the density of wood?
Lelechka [254]

Answer:

Explanation:

Density = Mass / Volume = 850 / 40*10*5 = 0.425 g /cm^3

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3 years ago
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elixir [45]
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In subduction, _____.
user100 [1]

The answer is the less dense plate slides over the denser plate.

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A 2.0 kg block has a rope attached to the block on a table and is pulled with a force of 8.0 N. The block accelerated at 2.5m/s^
Masja [62]

Answer:

0.15

Explanation:

Assuming the rope is horizontal, sum the forces in the y direction:

∑F = ma

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F − Nμ = ma

Substitute:

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μ = (8.0 N − 2.0 kg × 2.5 m/s²) / (2.0 kg × 9.8 m/s²)

μ = 0.15

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3 years ago
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