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Rzqust [24]
4 years ago
14

In which of the following cases is work being done on an object? Question 2 options: Pulling a trailer up a hill Carrying a box

down a corridor Suspending a heavy weight with a strong chain Pushing against a locked door
Physics
2 answers:
Citrus2011 [14]4 years ago
8 0

If your taking a quiz, exam, test, etc.. the correct answer would be

(Pulling a trailer up a hill)

I took the test and I can confirm this answer is correct.

Have a great day! :)

Taya2010 [7]4 years ago
4 0

Work is done when a force acts on an object AND the object moves in the direction of the force.

-- <em>Pulling a trailer up a hill.  YES. </em> The trailer is moving in the direction of the pulling force.  

-- Carrying a box down a corridor.  No. The box is not moving in the direction of gravity (down) OR in the direction of your arm (down the corridor).

-- Suspending a heavy weight with a strong chain,  No.  There's a force (gravity) acting on the weight, but the weight is not moving at all.

-- Pushing against a locked door.  No.  There's a force (your muscles) acting on the door, but he door is not moving at all.

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If a star's radiation peaks in the ultraviolet region of the spectrum, you would not be able to see it. true or false.
slega [8]

the answer would be false

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6 0
3 years ago
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Can someone please answer this question in simple terms and not over complicated. i know nothing about the subject.
Westkost [7]

Answer:

Mix

Explanation:

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The anode needs to have a low electron affinity because it needs to readily release electrons, and the cathode needs to have a high electron affinity because it needs to readily accept electrons.

8 0
3 years ago
To find the product of 183.5 and 10², move the decimal point in 183.5
S_A_V [24]

Answer:

Given :

To find the product of 183.5 and 10², move the decimal point in 183.5 _____ places to the right because 10² has _____ zeros.

To Find :

We need to fill the spaces.

Solution :

We know, when number with positive power of 10 is multiplied with another number we need to shift the number to the right hand side by the number of zeroes.

So, To find the product of 183.5 and 10², move the decimal point in 183.5 to right places to the right because 10² has two zeros.

Hence, this is the required solution.

Explanation:

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5 0
2 years ago
6. Two light bulbs are designed for use at 120 V and are rated at 75 W and 150 W. Which light bulb has the greater filament resi
Nonamiya [84]

\\ \bull\tt\longrightarrow P=\dfrac{V^2}{R}

  • P is power
  • R is resistance

\\ \bull\tt\longrightarrow R=\dfrac{V^2}{P}

Hence

\\ \bull\tt\longrightarrow R\propto V

\\ \bull\tt\longrightarrow R\propto \dfrac{1}{P}

  • Therefore if power is low then resistance will be high.

The first bulb has less power hence it has greater filament resistance.

5 0
3 years ago
Can someone help label these?
seropon [69]
A. reactants
B. subscript
C. coefficient
D. products
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2 years ago
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