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klemol [59]
3 years ago
7

The source of heat for a (an) _____ system is electricity

Physics
1 answer:
marshall27 [118]3 years ago
3 0

Electric Heating systems use electricity as a source of heat.

<u>Explanation: </u>

Each heater consists of an electric resistor, which the heating element in it. The process involved is Joule Heating. It is the phenomenon in which, passage of electric current produces heat. Heat is generated when the electrons from the current and the positive ions of the conductor start interaction.

The presence of voltage difference makes an electric fields, which in turn accelerates the charges present in the conductors. When they collide with ions of conductor, heat gets generated, and emitted out, which we use for heating purposes.

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Bill forgets to put his car in park and it starts rolling west. When it is moving at a speed of 3.5 m/s, it collides with Tanya'
djverab [1.8K]

PART A)

momentum of Bill's car

mass = 900 kg

speed = 3.5 m/s towards west

so momentum of this car given as

P_1 = 900(3.5) = 3150 kg m/s

Similarly momentum of Tanya's car

mass = 1100 kg

speed = 2 m/s towards East

so momentum will be

P_2 = 1100(2) = 2200 kg m/s

Total momentum of both cars will be

P = 3150 -2200 = 950 kg m/s Towards west

PART B)

Since there is no external force on the system of two cars

So here total momentum of both cars will remains conserved

So final momentum of two cars will be same as initial momentum

P = 950 kg m/s towards west

Part C)

final momentum of Bills car

P_1 = (900)(2) = 1800 kg m/s Towards East

now we have

P_1 + P_2 = 950

1100 v - 1800 = 950

v = 2.5 m/s towards west

3 0
3 years ago
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AlladinOne [14]
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8 0
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A reconnaissance plane flies 545 km away from
Nikolay [14]

Answer:

681.6/ms

Explanation:

A reconnaissance plane flies 545 km away from  its base at 568 m/s. then flies back to its base  at 852 m/s.

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Answer in its of m/s

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2*568*852/(568+852)= 681.6/ms

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When will electric charges flow?
Norma-Jean [14]
C. when the circuit is closed
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What is the reaction force of the table with a weight of 558N
Delicious77 [7]

Answer: reaction force = -558N

Explanation:

w = f = 558N

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reaction force = -(f)

reaction force = -558N

if that helps.

8 0
3 years ago
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