2 years ago

If one 9V battery is used in a circuit with a total resistance of 39Ω, what is the current in the circuit?

Physics

1 answer:

Ket [755]2 years ago

6 0

Answer:

Using V= IR

I= 0.2307 Ampere

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Calculate the speed of an 8.0x10^4 kg airliner with a kinetic energy of 1.1x10^9 j ...?

Over [174]

Kinetic energy is the energy possessed by an object on motion. it is expressed as follows:

KE = 0.5mv^2

where m is the mass and v is the velocity of the object. We calculate as follows:

KE = 0.5mv^2
1.1x10^9 J = 0.5(8.0x10^4 kg) v^2
v = 165.83 m/s

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3 years ago

A man does 500 j work pushing a car a distance of 2m how much force does he apply

olasank [31]

Answer: 250 N

Explanation:

Use equation for work

W=F*d

d=2m

W=500J

F=?

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W=Fd

F=W/d

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F=250N

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3 years ago

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stiks02 [169]

Answer:

allows no light to pass

Explanation:

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What are earths two main motions called

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Rotation and revolution

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For each of the following, draw the resulting wave when the two pulses occupy the same space. Unless otherwise noted, each wave

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Answer:

Explanation:

because it is are of circle

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3 years ago