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polet [3.4K]
3 years ago
13

Can someone help me with this I’m confused

Physics
1 answer:
mr Goodwill [35]3 years ago
8 0

Answer:

18

Explanation:

They are all in series.

so the resistance will be added.

7+5+3+3= 18

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Explanation:

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3 years ago
How many oxygen atoms are in the following compound?<br> 8 C120
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. If measurements of a gas are 75L and 300 kilopascals and then the gas is measured a second time and found to be 50L, describe
julia-pushkina [17]
By Boyle's law:

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</span>P<span>₂*50= 300*75
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P<span>₂ = 450 kiloPascals.

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3 0
3 years ago
Read 2 more answers
A block of 250-mm length and 48 × 40-mm cross section is to support a centric compressive load P. The material to be used is a b
Marrrta [24]

Answer:

153.6 kN

Explanation:

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k = 95*10^9 * 0.048*0.04/0.25 = 729.6 MN/m

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0.0012 * 0.25 m = 0.0003  m

Hooke's law:

F = x * k

Where x is the change in length

F = 0.0003 * 729.6*10^6 = 218.88 kN (maximum force admissible by deformation)

The compressive load will generate a stress of

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F = σ * A

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3 years ago
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Wittaler [7]

Answer:

230kg would be the best answer

Explanation:

7 0
3 years ago
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