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horsena [70]
2 years ago
13

metal cap is the negative terminal of an electric cell true or false please send me the answer please​

Physics
1 answer:
USPshnik [31]2 years ago
7 0

Answer:

false. it's positive terminal of an electric cell

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It is estimated that uranium is relatively common in the earth's crust, occurring in amounts of 4 g / metric ton. A metric ton i
timama [110]

Answer:

The mass of Uranium present in a 1.2mg sample is 4.8 \cdot 10^{-6}\,mg

Explanation:

The ration between Uranium mass and total sample mass is: \frac{4g}{1000kg} =\frac{4g}{1000000g}=\frac{1}{250000}

For a sample of mass 1.2 mg, the amount of uranium is:

1.2\, mg \cdot \frac{1}{250000}=4.8 \cdot 10^{-6}\,mg

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3 years ago
What is alpha, beta and gamma radiation made of
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4 0
3 years ago
12. A frain moves from rest to a speed of 25 m/s in 30.0 seconds. What is its acceleration?
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\\ \tt\longmapsto Acceleration=\dfrac{v-u}{t}

\\ \tt\longmapsto Acceleration=\dfrac{25-0}{30}

\\ \tt\longmapsto Acceleration=\dfrac{25}{30}

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2 years ago
Which part of an atom has most of its mass? A. electrons B. neutrons C. nucleus D. protons
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<em />

6 0
3 years ago
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