3 years ago

What will happen if the atom rearrange?

1 answer:

5 0

Answer:

In a chemical reaction, only the atoms present in the reactants can end up in the products. No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange amd form new bonds to make the products.

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Your job is to lift 30 kgkg crates a vertical distance of 0.90 mm from the ground onto the bed of a truck. For related problem-s

Gekata [30.6K]

Answer:

The number of crates is 84580.

Explanation:

mass, m = 30 kg

height, h = 0.9 mm

Power, P = 0.5 hp = 0.5 x 746 W = 373 W

time, t = 1 minute = 60 s

Let the number of crates is n.

Power is given by the rate of doing work.

$P = \frac{n m gh}{t}\\\373 =\frac{n\times 30\times9.8\times 0.9\times 10^{-3}}{60}\\\\n =84580$

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3 years ago

when a bucket full of water is pulled of from a well,in which condition: either inside or outside the water is it difficult to l

julsineya [31]

Answer:

Well there is gravitational force acting on the bucket ,gravitational force is a downward force so it will be acting on the bucket making it harder to lift it

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3 years ago

Read 2 more answers

In the livingroom of your house you would like to run a 360 W stereo, a 30 W computer, a 1200 W laser light projector, and three

Zepler [3.9K]

Answer: current = 16.25A

Explanation:

Stereo = 360w, computer = 30w, laser light projector = 1200w, 3 120w- lights = 3 * 120 = 360w

Total power = 360 + 30 + 1200 + 360 = 1950W.

Voltage across the mains = 120v.

Power = current * voltage

1950 = current * 120