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Salsk061 [2.6K]
3 years ago
14

Which symbol represents a type of electromagnetic radiation released during radioactive decay?

Physics
1 answer:
Tanya [424]3 years ago
8 0
The answer for <span>electromagnetic radiation released during radioactive decay i</span>s C. He
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3 0
3 years ago
An object 16.8 cm tall is placed in front of a converging lens. A real image, 46 cm tall, is formed on the other side of the len
worty [1.4K]

Answer:

2.74

Explanation:

Magnification = image distance/object distance

Mag = v/u

Given

v = 46cm

u = 16.8

Magnification = 46/16.8

Magnification = 2.74

Hence the magnification is 2.74

7 0
3 years ago
A variable that is not changed.
AleksAgata [21]

Answer:

A controlled variable does not change during a experiment

Explanation:

it's c

5 0
3 years ago
What temperature is required to transfer waste heat to the environment for a heat engine to be 100 percent efficient?
OLEGan [10]
This can be seen as a trick question because heat engines can typically never be 100 percent efficient. This is due to the presence of inefficiencies such as friction and heat loss to the environment. Even the best heat engines can only go up to around 50% efficiency.
6 0
3 years ago
Read 2 more answers
At a dock, a crane lifts a 2009 kg container 20 m, swings it out over the deck of a freighter, and lowers the container into the
deff fn [24]

Answer:

W = 157.5kJ

Explanation:

Assuming it moves the container at constant speed, the work done by the crane will be equal to the variation of the potential gratitational energy on the container:

Wc = \Delta E = m*g*(h2 - h1)  where h2= -8m  and  h1=0m

Wc = 157.5kJ

6 0
3 years ago
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