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Artyom0805 [142]
3 years ago
11

An engineer is adding a heat sink to a motor to help absorb some of the heat produced by the motor. Which piece of metal would a

bsorb the MOST heat?
Physics
2 answers:
astraxan [27]3 years ago
6 0
<span>The metal that  would absorb the MOST heat is Copper. </span>Copper is used in heat sink because it has many advantageous properties for thermally effective and long lasting heat converters..Copper is an excellent conductor of heat. It's high thermal conductivity allows heat to pass through it quickly. <span>Aluminium heat sinks are used as a cheaper, lightweight substitue to copper heat sinks, but they have a lower thermal conductivity than copper.</span>
soldi70 [24.7K]3 years ago
3 0

Answer:

2.0 kg of brass is the answer

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2. Superman is able to fly at an average velocity of 355 m/s. If he begins at a position of
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Answer:

final position = 325 m

Explanation:

distance covered in 1 second = speed x time

                                                 = 355 m/s  x   1 s

                                                 = 355 m

∴  final position =  initial position + distance covered

                          =  - 30 m  +  355 m

                          =  325 m

4 0
3 years ago
A 1000 kg car travels on a highway with a speed of 30 m/s. The driver sees a roadblock and applies the brakes, which provide a
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Answer:

-4m/s

Explanation:

use the formula

f = ma

where f-force

m-mass

a-accleration

so

1kN=1000N

so apply

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a=4m/s

(the negative is because the car was braking)

7 0
4 years ago
La resistencia de un termómetro de platino es de 6Ω a30°C. Hallar su valor correspondiente a 100°C,sabiendo que el coeficiente d
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Respuesta:

7,6 Ω

Explicación:

Paso 1: Información dada

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Paso 2: Hallar la resistencia (R) a 100 °C

Podemos ver la relación entre la resistencia de un material y la temperatura usando la siguiente ecuación.

R = R₀ (1  + α × ΔT)

R = 6 Ω (1  + 0,00392 °C⁻¹ × (100 °C - 30 °C)) = 7,6 Ω

6 0
3 years ago
Anything made of matter must
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Answer:

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Explanation:

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During an investigation, Sam observes the number of hummingbirds that come to his large bird feeder at different times of day. H
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