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2 years ago

When is the earth said to be at perihelion

2 answers:

6 0

Perihelion is a place ... It's the point in Earth's orbit
where the Earth is closest to the sun.

We reach that point every year some time during
the first few days of January.

Llana [10]2 years ago

5 0

When the earth is closest to the sun it is said to be in perihelion position.

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A region of space that contains no matter

sammy [17]

Conduction. Any material that easily allows heat to move through it. Vacuum. A region of space that contains no matter. Solid.

3 0

2 years ago

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It took 1500 Newton's of force to push a car 3 meters. How much work was done

denis23 [38]

Answer:

ow much work was done? W = F xD. IN X 2m = 2;. 2. A force of 15 newtons is ... 3. It took 50 joules to push a chair 5 meters across the floor. With what force was ... was done. How far was the rock lifted? W=FXD. D=1500 = 1.5m. Answer: :.5m ... A young man exerted a force of 9,000 newtons on a stalled car, but he was.

Explanation:

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2 years ago

If you run at 8m/s for 15 minutes how far will you go

sashaice [31]

Answer: 7200 m

Explanation: The solution is, first convert 15 minutes to seconds.

15 mins x 60 s / 1 min = 900 s

Use the formula for speed which is v= d/t then derive for d.

d = vt

= 8 m/s ( 900s)

= 7200 m

6 0

2 years ago

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If an insulator replaces a conductor in an electrical circuit, the flow of electrons in the circuit will be

Degger [83]

The flow of electrons in the circuit will be less.

6 0

3 years ago

in the circuit diagram even in suppose the resistor R1 R2 and R3 have the value of 5 ohm 10 ohm 30 ohm respectively which have b

Anuta_ua [19.1K]

<h3><u>Given</u> :</h3>

Three identical resistors of resistances 5Ω, 10Ω and 30Ω are connected with a battery of 12V $.$

We have to find current through the each resistor and equivalent resistance of circuit $.$

<h3><u>SoluTion</u> :</h3>

➝ Equivalent resistance of series connection is given by

<u>R = R1 + R2 + R3</u>

➝ We know that, Equal current flow through each resistor in series connection.

➝ As per ohm's law, Current flow through a conductor is directly proportional to the applied potential difference.

<u>V = IR</u>

◈ <u>Equivalent resistance</u> :

⇒ Req = R1 + R2 + R3

⇒ Req = 5 + 10 + 30

⇒ <u>Req = 45Ω</u>

◈ <u>Current flow in circuit</u> :

⇒ V = IReq

⇒ 12 = I × 45

⇒ <u>I = 0.27A</u>

፨ Therefore, 0.27A current will flow through each resistor.

5 0

2 years ago