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Aleks [24]
2 years ago
14

Provide two ways that objects can become charged

Physics
1 answer:
kap26 [50]2 years ago
8 0

Answer:

friction, conduction and induction

Explanation:

Had it in class I had it correct hope this helps.

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When is a secondary source more helpful than a primary source?
UNO [17]

Answer:

I think the answer is C.

Explanation:

A primary source is a first hand account of an event while a secondary source is a retelling or second hand account meaning as many details will be prevalent.

8 0
2 years ago
State whether the following statement are true or false .
Klio2033 [76]
1. It’s true
4 ,7 ,8 is correct
5 0
2 years ago
When sedimentary rock is exposed to heat and pressure, what does it change into?
patriot [66]
Metamorphic rock this possess often occurs in the mantle
7 0
3 years ago
What are used by organisms for long-term energy storage
kifflom [539]

Answer:

Fatty acids.

Explanation:

-Long term energy storage is stored in the form of triglycerides .

-They are efficient storing molecules. They are more efficient thatn glycogen(cabohydrates).

-Fatty acids are more calori dense hence them being ideal for long term energy storage.

4 0
3 years ago
Water in a tank is pressurized by air and pressure measured using a multi-fluid manometer. Determine the gage pressure of air in
sattari [20]

Answer:

The gauge pressure of air is 110 kpa

Explanation:

Atmospheric pressure, P_{atm} = 101 Kpa

P_{gauge} + \rho_w gh_1 + \rho_o gh_2 -\rho_{Hg} gh_3 =P_{atm}

P_{gauge}  = P_{atm} - \rho_w gh_1 - \rho_o gh_2 +\rho_{Hg} gh_3

where;

ρw is the density of water = 1000 kg/m³

ρo is the density of oil = 800 kg/m³

ρHg is the density of mercury = 13,600 kg/m³

g is acceleration due to gravity = 9.8 m/s²

P_{gauge}  = 101,000 - (1000* 9.8*0.2) - (800* 9.8*0.3) +(13,600* 9.8*0.46)\\\\P_{gauge}  = 101,000 - 1960 - 2352 + 13610.26\\\\P_{gauge}  = 110,298.26 pa

Therefore, the gauge pressure of air is 110 kpa

4 0
3 years ago
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