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Anastasy
19 days ago
12

At a certain depth in the ocean. the absolute pressure is p. If you 90 to twice that depth (treating the water as incompressible

) A) the absolute pressure will be 2p.B) the absolute pressure will be less than 2p. C) the absolute pressure will be greater than 2p. D) the gauge pressure will not change. E) Use gauge pressure will increase but will not double.
Physics
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what is a possible unit for the product VI, where V is the potential difference across a resistor and I is the current through t
Sav [3153]
Recall this formula for a device operating in a direct current circuit:
P = IV
In this equation, P stands for the power emitted by the device, I signifies the current passing through the device, and V represents the voltage drop across it.

Using ampere for current and volt for voltage means that multiplying current by voltage gives you power measured in watts.
5 0
3 months ago
If the diameter of a hole is 4.500 mm, what should be the diameter of a rivet at 23.0 ∘C, if its diameter is to equal that of th
kicyunya [3294]

Answer:

Explanation:

at 23 degrees Celsius, the diameter measures 4.511 mm

GIVEN DATA:

diameter of hole  = 4.500 mm

T_1 = 23.0 degrees Celsius

T_2 = - 78.0 degrees Celsius

the expansion coefficient of aluminum is 2.4*10^{-5} (degrees Celsius)^{-1}

the diameter at 23 degrees Celsius is stated as

d = d_o (1+ \alpha \delta T)

 = 4.5 (1+2.4*10^{-5} *(23-(-78)))

   = 4.511 mm

the diameter of the rivet after temperature change is given as

d= d_o + \Delta d

 = d_o(1+ \alpha \delta T)

= 0.4500 *(1+2.4*10^{-5} *(23-(-78)))

= 0.4511 cm

8 0
2 months ago
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