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andriy [413]
3 years ago
11

In what two ways is heat transmitted by a conductor

Physics
1 answer:
Advocard [28]3 years ago
7 0

Heat can be transmitted by a conductor using conduction and convection method.

<u>Explanation:</u>

Heat energy can be transferred in three ways. In other words, the propagation of heat energy can be done by conduction, convection and radiation. Among these three conduction and convection requires a conducting medium, while radiation does not require any medium for transmitting the heat energy.

Conduction is the form of heat energy transfer where the energy is transmitted through the medium in contact with each other. So the electrons will collide with each other and the medium should be in contact and they should be highly conducting in nature, to perform conduction.

In case of convection, the liquid or gas molecules transfer the thermal energy from one point to another. No contact between the medium is required. It passes through the flow of gas or liquids. Thus, conduction and convection are the two methods by which heat can be transmitted by a conductor.

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Why does it rain a lot?
Vaselesa [24]

Answer:

Clouds are made up of tiny water droplets. ... As more and more droplets join together they become too heavy and fall from the cloud as rain. Warm air can hold more moisture than cool air. When the warmer air is cooled and the moisture condenses, it often rains more heavily.

Explanation:

hope it helps

3 0
3 years ago
A ship travels with velocity given by 12, with current flowing in the direction given by 11 with respect to some co-ordinate axe
nataly862011 [7]

Answer:

v_x = 11.78 m/s

Explanation:

Velocity of the ship is given as

v = 12 units

the direction of the velocity of the ship is making an angle of 11 degree with the current

so we will have two components of the velocity

1) along the direction of the current

2) perpendicular to the direction of the current

so here we know that the component of the ship velocity along the direction of the current is given as

v_x = v cos\theta

v_x = 12 cos11

v_x = 11.78 m/s

7 0
3 years ago
The two properties of an electron that cannot be known exactly at the same time are the ____________________.
enyata [817]
Position and momentum.

This is Heisenberg's Uncertainty Principle:
Δx Δp ≥ h ÷ 4π,   where Δx is the change in position, Δp is the change in momentum, and h is Planck's Constant.
6 0
3 years ago
Please answer True or false
BabaBlast [244]
True i think?? not 100% because i’m thinking of four square haha
3 0
3 years ago
Consider a 200-ft-high, 1200-ft-wide dam filled to capacity. Determine (a) the hydrostatic force on the dam and (b) the force pe
Allisa [31]

Answer:

a)  F_g=1.5*10^9Ibf

b)  F_t=12490Ibf/ft^2

     F_b=0

Explanation:

From the question we are told that:

Height h=200ft

Width w=1200ft

a)

Generally the equation for Dam's Hydro static force is mathematically given by

F_g=\rho*g*\frac{h}{2}(w*h)

Where

\rho=Density\ of\ water

\rho=62.4Ibm/ft^3

Therefore

F_g=62.4*32.2*\frac{200}{2}(1200*200)

F_g=1.5*10^9Ibf

b)

Generally the equation for Dam's Force per unit area is mathematically given by

F=\rho*g*h

For Top

F_t=\rho*g*h

F_t=62.4*32.2*200

F_t=12490Ibf/ft^2

For bottom

Here \\H=0 zero

Therefore

F_b=0

7 0
3 years ago
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