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kati45 [8]
3 years ago
6

Which material would result in the greatest amount of energy transfer? An absorber that is dark in color and rough. A reflector

that is dark in color and smooth. An absorber that is light in color and rough. A reflector that is light in color and smooth.
Physics
2 answers:
blsea [12.9K]3 years ago
8 0

Answer:

A) An absorber that is dark in color and rough.

Explanation:

D is wrong

EDGE/Time 4 Learning

WINSTONCH [101]3 years ago
5 0

Answer:

the answer is d

Explanation:

basically the reason i think this is the answer is because the answer that i picked in this scenario to me seems like the right one and it it the one i picked on the quiz that seemed like the right one to me and i am smart and cool and awesome

subscibe to my channel jacknjellify

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4 0
2 years ago
An ore car of mass 39000 kg starts from rest and rolls downhill on tracks from a mine. At the end of the tracks, 19 m lower vert
cupoosta [38]

Answer:

The compression in the spring is 5.88 meters.                

Explanation:

Given that,

Mass of the car, m = 39000 kg

Height of the car, h = 19 m

Spring constant of the spring, k=4.2\times 10^5\ N/m

We need to find the compression in the spring in stopping the ore car. It can be done by balancing loss in gravitational potential energy and the increase in elastic energy. So,

mgh=\dfrac{1}{2}kx^2

x is the compression in spring

x=\sqrt{\dfrac{2mgh}{k}} \\\\x=\sqrt{\dfrac{2\times 39000\times 19\times 9.8}{4.2\times 10^5}} \\\\x=5.88\ m

So, the compression in the spring is 5.88 meters.                                                                                                                  

6 0
3 years ago
Which planet in the list below is larger than Earth? A. Saturn B. Mars C. Mercury D. Venus
Alborosie

ANSWER:

the planet that is larger than earth is Saturn

~batman wife dun dun dun...aka ~serenitybella

6 0
3 years ago
Read 2 more answers
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