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lions [1.4K]
3 years ago
5

A rod of 3.0-m length and a square (2.0 mm X 2.0 mm) cross section is made of a material with a resistivitYof 6.0 X 10-8 Ω m. If

a potential difference of 0.60 V is placed across the ends of the rod, at what rate is heat generated in the rod in watt.
Select one:
a. 24
b. 12
c. 4
d. 8
Physics
2 answers:
Basile [38]3 years ago
7 0
I think it’s c not sure just answering Radom questions
aliina [53]3 years ago
3 0
Ajhtggggggghhhhjjjjjjijjkioo
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The expression known as​ Froude's number is given as Upper F equals StartFraction v squared Over gl EndFraction . This number wa
bearhunter [10]

Answer:v=5.529\ m/s

Explanation:

Given

number is given as =\frac{v^2}{gl}

and number=2.6

l=1.2\ m

g=acceleration due to gravity(9.8\ m/s^2)

calculating for v

v^2=gl(2.6)

v=\sqrt{2.6\times 9.8\times 1.2}

v=\sqrt{30.576}

v=5.529\ m/s

8 0
3 years ago
Please help!! I will give brainliest!
grandymaker [24]

Answer:

Depends.

Explanation:

Whether the object is going left or right, the speed will stay the same until friction eventually stops it. <em>However, </em>if, for example, we're talking about an object going straight before veering right, then yes, speed <em>does</em> matter. An object will normally have to speed up or slow down momentarily when changing direction to keep itself sustained on the ground.

So, honestly? It really depends on what we're talking about!

Hope this helped!

Source(s) used: None.

7 0
3 years ago
You are on roller blades on top of a small hill. Your potential energy is equal to 1,000.0 joules. The last time
irinina [24]
It is -59 i think or just ask someone esle for help
8 0
3 years ago
How many nanoseconds does it take light to travel 3.50 ft in vacuum?
Fiesta28 [93]
Answer:3.56 nanosecond

In this case, you are asked the time and given the light distance(3.5ft)
To answer this question you would need to know the velocity of light. Speed of light is <span>299792458m/s. Then the calculation would be:

time= distance/speed
time= 3.5 ft / (</span>299792458m/s) x 0.3048 meter/ 1 ft=  3.56 10^{-9} second or 3.56 nanosecond
6 0
3 years ago
What is refraction?
Damm [24]
B- light bends as it passes through an object ( a would be reflect)
4 0
3 years ago
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