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Vikentia [17]
2 years ago
6

Name three variables that affect a life system

Physics
2 answers:
sweet-ann [11.9K]2 years ago
7 0
Three things that effect a life system would be
- sunlight
-water
-energy/food

Hope this helps
LekaFEV [45]2 years ago
3 0
Sunlight , water , energy
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D. is the answer to that
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3 years ago
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The two cyclists travel at the same speed on level ground. They approach a low hill and decide to coast up instead of hard pedal
Sergeeva-Olga [200]

Answer:

  • <u>Option-(E): </u>Bike B; its wheels have a smaller moment of inertia.                                                                                                                                                                                                                                                                              

Explanation:

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3 years ago
Read the scenario below and answer the question that follows. Jane is a psychologist. She submits a study on sleep to a prestigi
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A:the other options are examples of unethical behavior
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An object is dropped onto the moon (gm = 5 ft/s2). How long does it take to fall from an elevation of 250 ft.?
anyanavicka [17]

Answer:

10 seconds

Explanation:

x = x₀ + v₀ t + ½ at²

250 = 0 + (0) t + ½ (5) t²

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It takes 10 seconds to land from a height of 250 ft.

8 0
3 years ago
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A wooden artifact from a Chinese temple has a 14C activity of 41.0 counts per minute as compared with an activity of 58.2 counts
prohojiy [21]

Answer:

Explanation:

The relation between activity and number of radioactive atom in the sample is as follows

dN / dt = λ N where λ is disintegration constant and N is number of radioactive atoms

For the beginning period

dN₀ / dt = λ N₀

58.2 = λ N₀

similarly

41 = λ N

dividing

58.2 / 41 = N₀ / N

N = N₀ x .70446

formula of radioactive decay

N=N_0e^{-\lambda t }

.70446 =e^{-\lambda t }

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t = .35 / λ

λ = .693 / half life

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= .00012126

t = .35 / .00012126

= 2886.36

= 2900 years ( rounding it in two significant figures )

7 0
3 years ago
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