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meriva
3 years ago
13

6) If nuclei A has a probability P of decaying in time t and nucleus B has a probability 2p of decaying in time t, which stateme

nts is true about the half-lives of nucleus A and nucleus B? a. The half-life of nucleus A is twice the half-life of nucleus B. b. The half-life of nucleus B is twice the half-life of nucleus A. c. The half-life of nucleus A is the same as the half-life of nucleus B. d. The half-life of nucleus A is e’ times greater than the half-life of nucleus B. ​
Physics
1 answer:
vredina [299]3 years ago
6 0

Answer:

sorry dont know so so sorry

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A boy throws a ball into the air at 10.2 m/s. Assuming that only gravity acts on the ball, how high does it rise, in m?
ozzi
Answer: 5.31 meters

Explanation: Use conservation of energy. Initial energy equals final energy. Initially, there is only kinetic energy (because height = 0 initially). At the end, kinetic energy equals 0 because at max height, there is max potential energy and the ball stops moving for a split second.

mgh = .5mv^2
Masses cancel out
gh = .5v^2
(9.8)(h) = .5(10.2^2)
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3 years ago
How many (whole number of) 87 kg people
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Answer:

11

Explanation:

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2. change the metric ton to kg.

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4 years ago
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2 years ago
Explain why the driver's reaction time affects the thinking distance.
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The thinking distance depends on the reaction time of the driver which could can affected by alcohol, distractions and tiredness. A faster speed increases both thinking  distance, increasing the total stopping distance.

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7 0
3 years ago
At the time of the founding of the country, most Americans worked as
STatiana [176]

Answer:

Farmers

Explanation:

At the time of founding our country most soldiers in the revolutionary war were farmers who were inexperienced.

4 0
3 years ago
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