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stira [4]
3 years ago
9

Which of these are part of the electromagnetic spectrum?

Physics
2 answers:
bazaltina [42]3 years ago
6 0

Answer: A, C, E

Explanation:

Gamma rays, Microwaves, and Radio waves

Rom4ik [11]3 years ago
3 0
Everything except visible light.
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Which material is colder in a room where all the objects are in for a long time?
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3 years ago
Consider a circuit with two resistors in parallel R_1 = 10 ohm and R_2 = 5 ohm.A) Determine the total resistance of the circuit.
Sophie [7]

Answer:

Explanation:

Given

R_1=10 \Omega

R_2=5 \Omega

when resistance in Parallel

\frac{1}{R_{p}}=\frac{1}{R_1}+\frac{1}{R_2}

R_p=\frac{R_1R_2}{R_1+R_2}

R_p=\frac{10}{3}

Suppose V is voltage of battery

Total Current i=\frac{3V}{10}

Since Circuit is Parallel therefore Voltage across both resistor is same

V=i_1R_1=i_2R_2

and i_1+i_2=i

i_1+i_1\cdot \frac{R_1}{R_2}=i

i_1(1+\frac{10}{5})=\frac{3V}{10}

i_1=\frac{V}{10}

i_2=\frac{2V}{10}

(b) When Circuit is in series

R_s=R_1+R_2

R_s=10+5=15 \Omega

since circuit is in Series therefore current is same in both resistor

Current i=\frac{V}{15} A

Voltage drop across R_1=i\times R_1

V_1=\frac{V}{15}\times 10=\frac{2V}{3}

V_2=\frac{V}{15}\times 5=\frac{V}{3}              

8 0
3 years ago
What is the purpose of a liner in a sanitary landfill ?
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I believe its A.
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Answer:

you can write some points its an explanation

and similarities. or common

Explanation:

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The faster the atoms or molecules move, the more heat or thermal energy they have. ... A hair straightener turns the electrical energy from a wall outlet into heat (thermal energy). 4. As electricity runs through the filaments in a space heater, the electrical energy is converted into heat (thermal energy).

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A transfer of heat within a liquid or gas that involves warm particles moving in currents is
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<span>So the question is what is a transfer of heat within a liquid or gas that involves warm particles moving in currents. So there are three mechanisms of moving heat. Those are convection, conduction and radiation. Radiation is transfering energy via electromagnetic waves. Conduction is transfering heat trough some thermal conductor. Convection is transferring heat within a liquid or gas that involves warm particless moving in currents.</span>
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