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3 years ago

Is freezing outside on a cold day conduction convection or radiation?

2 answers:

7 0

Conduction is the process of freezing outside on a cold day. Conduction is usually the process of transfer of heat that is temperature from one body to another body which the difference in their heat energy. This transfer of energy which makes it freeze is also considered as conduction.

djverab [1.8K]3 years ago

5 0

The answer is conduction

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The charge per unit length on a long, straight filament is -92.0 μC/m. Find the electric field 10.0 cm above the filament.

Pepsi [2]

Answer:

E = 1.655 x 10⁷ N/C towards the filament

Explanation:

Electric field due to a line charge is given by the expression

E = $[tex]\frac{\lambda}{2\pi\times\epsilon_0\times r}$ [/tex]

where λ is linear charge density of line charge , r is distance of given point from line charge and ε₀ is a constant called permittivity and whose value is

8.85 x 10⁻¹².

Putting the given values in the equation given above

E = $\frac{92\times10^{-6}}{2\times3.14\times8.85\times10^{-12}\times10^{-1}}$

E = 1.655 x 10⁷ N/C

4 0

2 years ago

A 4 kg mass is in free fall. What is the velocity of the mass after 11 seconds

Ksju [112]

Velocity of the mass after 11 seconds = ( value of the gravitational acceleration) * ( time )
velocity = ( 9.81 m / s^2 ) ( 11)
velocity = 107.91 meters per second

5 0

2 years ago

Suppose the Pathfinder moves at a rate of 0.2m/s for 20 seconds and then turns around and travels at the same speed for 3 second

kotykmax [81]

Answer:

PLEASE BE MORE SPECIFIC

Explanation:

7 0

2 years ago

Two parallel conducting plates are separated by 9.2 cm, and one of them is taken to be at a potential of zero volts.What is the

True [87]

Answer:

$E=54V/cm$

$\Delta V=496.8V$ between the plates.

Explanation:

The equation for change of voltage between two points separated a distance d inside parallel conducting plates (which have between them constant electric field) is:

$\Delta V=Ed$

So to calculate our electric field strength we use the fact that the potential 8.8 cm from the zero volt plate is 475 V:

$E=\frac{\Delta V}{d}=\frac{475 V}{8.8cm}=54V/cm$

And we use the fact that the plates are 9.2cm apart to calculate the voltage between them:

$\Delta V=Ed=(54V/cm)(9.2cm)=496.8V$

8 0

2 years ago

Pattinson Food Suppliers has received a letter from a government agency regarding some complaints of wrong labeling of meat prod

Anuta_ua [19.1K]

Answer:

1. The United States Department of Agriculture’s Food Safety and Inspection Service (FSIS)

Explanation:

FSIS has primary responsibility for the regulation of food labeling

for meat and poultry products under the FMIA(Federal Meat Inspection Act) and the PPIA(Poultry Products Inspection Acts) and is also

authorized to regulate food labeling for exotic species of animals under the

Agricultural Marketing Act of 1946.

5 0

2 years ago