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WARRIOR [948]
2 years ago
7

Conduction is the transfer of heat in: 1 gases 2 liquids 3 solids

Physics
1 answer:
kykrilka [37]2 years ago
4 0

Answer:

Conduction heat transfer is the transfer of <em>heat by means of molecular excitement within a material without bulk motion</em> of the matter. 

Explanation:

Conduction heat transfer in gases and liquids is due to the collisions and diffusion of the molecules during heir random motion.

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use the pendulum equation to calcuate the period of a 1.50 pendulum. Remeber that the vaule of "g" is 9.81 m/s² please help ​
kati45 [8]

Answer:

L = 3.51

Explanation:

Pendulum equation is T = 2pi\sqrt{L/9.81}

T = 1.5 and we are solving for L

1.5=2\pi \sqrt{L/9.81}

square both sides to get 2.25 = 2\pi ( L/9.81)

multiply both sides by 9.81 then divide by 2 and 3.14 as a substitue for pi. The answer should be about 3.51 in length

L = 3.51

If this helps, mark me brainliest pls

3 0
3 years ago
Does hot air rise? Why?
pashok25 [27]

Answer: Yes

Explanation:

does hot air rise

er substances, expands when heated and contracts when cooled. Because there is more space between the molecules, the air is less dense than the surrounding matter and the hot air floats upward. This is the concept used in the hot air balloons.

8 0
2 years ago
A 0.19 F capacitor is desired. What area must the plates have if they are to be separated by a 2.0 mm air gap? a= ?? m^2
Aliun [14]
.125 
Hope this answer helps you

4 0
3 years ago
4. How much milk at 5° C needs to be added to 250 g of coffee at 90° C to make the coffee drinkable at 60° C?
kenny6666 [7]

Answer:

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Explanation:

7 0
3 years ago
A 1.3 kg ball drops vertically onto a floor, hitting with a speed of 21 m/s. It rebounds with an initial speed of 9.8 m/s. (a) W
Anarel [89]

Answer:

a) Impulse(J)=40.04 kg.m/s

b)F=2566.66 N

Explanation:

Given that

V_1=21 m/s,V_2=9.8m/s

We know that impulse(J) impulse is a vector quantity

J=P_2-P_1

We know that P=mV

SoJ=m(V_2-V_1)

Now by putting the values

J=1.3(9.8-(-21))

So impulse(J)=40.04 kg.m/s

Force is given as

F=\dfrac{dP}{dt}

or we can say that

F=m\left(\dfrac{v_2-V_1}{dt}\right)

So F=\dfrac{40.04}{0.0156}

F=2566.66 N

3 0
3 years ago
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