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taurus [48]
3 years ago
7

A toaster uses 400 W of power. How much does it use in 5 seconds?

Physics
1 answer:
gavmur [86]3 years ago
8 0

Answer:

This one I think is either division or multiplication

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The human body has an average density of 979 kg/m3 , what fraction of a person is submerged when floating gently in fresh water?
FromTheMoon [43]

A person is submerged of about 97.9%.

The average density of the human body is given as 979 kg/ m³.

<h3>Define Law of floatation.</h3>

    Law of floatation can be defined as the volume of the liquid displaced when a body floats on the liquid surface is equal to the body submerged in the water.

As body has the stable equilibrium state, the buoyancy of the fluid will be equal to the weight.

Weight of the body floating = Weight of the body immersed in fluid

  Law of floatation = Density of the floating object / density of fluid

 As fluid is the freshwater here, the density of fluid will be 1000 kg/ m³.

                               = (979 kg/ m³) / ( 1000 kg/ m³)

                               = 97.9 %

A person is submerged when floating gently in fresh water about 97.9%.

Learn more about law of floatation,

brainly.com/question/17032479

#SPJ4

4 0
1 year ago
When I double displacement reaction takes place, one of the products must be_______.
sattari [20]

Answer:

the answer would be Salt

Explanation:

3 0
3 years ago
Read 2 more answers
What kind of water that most used in industrial
ValentinkaMS [17]

<em>Hard </em><em>water </em><em>is </em><em>mostly </em><em>used </em><em>in </em><em>Industries </em>

3 0
3 years ago
Please help I don't have a ruler lol
Ivahew [28]

Answer:

hi you can just buy new ruler lol joke

1. energy and air

2.

8 0
3 years ago
Toe boards shall be capable of withstanding, without failure, a force of at least _______ applied in any downward or outward dir
miv72 [106K]

Answer:

50 pounds

Explanation:

A toe board is a 2 inch x 4 inch safety wooden board used when adding roofing to a house. According to my research on the limits for toe boards, I can say that a toe board can withstand a force of at least 50 pounds applied in any downward or outward direction at any point without failure. This has been tested extensively by professionals before sale.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

7 0
3 years ago
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