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Papessa [141]
3 years ago
7

Q66 what the answer plz help me I don’t understand this:(

Physics
1 answer:
muminat3 years ago
5 0

Answer:

C

Explanation:

look at the question more carefully

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What element is formed in the following nuclear reaction
MissTica

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Oxygen or more precisely, the O-15 isotope.

4 0
2 years ago
The atlas stone’s is a strong man competition where athletes have to load 5 stones of masses 100kg, 120kg, 140kg, 160kg and 180k
lyudmila [28]

Answer: 6250 joules

Explanation:

The work needed to lift an object of mass M by a height H is equal to:

w = M*g*H

where h = 10m/s^2

then the total work that he did is equal to the sum of the work for every stone:

W = (100kg*g*H) + (120kg*g*H) + (140kg*g*H) + (160kg*g*H) + (180kg*g*H)

 = (100kg + 120kg + 140kg + 160kg + 180kg)*g*H

= (500kg)*g*H

and now we can repalce g by 10m/s^2 and H by 125cm

But you can notice that we have two different units of distance, so knowing that 100cm = 1m

we can write H =  125cm = (125/100) m = 1.25 m

Then we have:

H = 500kg*10m/s^2*1.25m = 6250 J

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3 years ago
What is a element that tends to be shiny, easy shaped, and a good conductor of heat?
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The answer to your question is Metal
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Explanation:

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Is 5g greater than 20.43 mg
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