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STALIN [3.7K]
3 years ago
9

Which best describes the definition for the atomic mass of an element

Physics
2 answers:
Verizon [17]3 years ago
7 0

Answer:

Atomic mass is the weighted average mass of an atom of an element based on the relative natural abundance of that element's isotopes. - Mass number: count of the total number of protons and neutrons in an atom's nucleus.

dezoksy [38]3 years ago
5 0

Answer:

it is a weighted average of the masses of an element’s isotopes

Explanation:

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The speed is the same as long as the reflection is regular.

Explanation:

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Since speed of light depends on the angle of the light ray it makes with the reflecting surface, the speed is the same

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An electric heater is rated at 1400 W, a toaster is rated at 1150 W, and an electric grill is rated at 1560 W. The three applian
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Answer:

The current in the heater is 12.5 A

Explanation:

It is given that,

Power of electric heater, P₁ = 1400 W

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All three appliances are connected in parallel across a 112 V emf source. We need to find the current in the heater. We know that in parallel combination of resistors the current flowing in every branch of resistor divides while the voltage is same.

Electric power, P_1=V\times I_1

I_1=\dfrac{P_1}{V}

I_1=\dfrac{1400\ W}{112\ V}

I_1=12.5\ A

So, the current in the heater is 12.5 A. Hence, this is the required solution.  

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