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Ghella [55]
3 years ago
6

On Earth, a kangaroo jumping will eventually return to ground due to the unbalanced force of gravity. What law does this illustr

ate?
Physics
1 answer:
Kryger [21]3 years ago
6 0
Newton’s law is the answer
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If he stops running the tea is still going to be moving so it will spill on him.
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Clarissa thought that learning to play the banjo was a waste of time. She didn't bother to practice after her lessons
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The answer ro this question is fear of failure

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How much power should a braked 1.5t car have to be braked to reduce its speed from 30m / s to 10m / s in 5s?​
grandymaker [24]

Answer:

-120000 W

Explanation:

Power = change in energy / time

P = ΔE / t

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Given m = 1.5 t = 1500 kg, v₂ = 10 m/s, v₁ = 30 m/s, and t = 5 s:

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7 0
3 years ago
A pendulum on earth swings with angular frequency ω. On an unknown planet, it swings with angular frequency ω/ 4. The accelerati
Afina-wow [57]

Answer:

g / 16

Explanation:

T = 2π \sqrt{\frac{l}{g} }

angular frequency ω = 2π /T

= \sqrt{\frac{g}{l} }

ω₁ /ω₂ = \sqrt{\frac{g_1}{g_2} }

Putting the values

ω₁ = ω ,     ω₂ = ω / 4

ω₁ /ω₂ = 4

4 =  \sqrt{\frac{g}{g_2} }

g₂ = g / 16

option d is correct.

6 0
3 years ago
The three basic economic questions societies face are (1) what goods and services to produce, (2) how to produce those goods and
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For whom are goods and services to be produced? In other words, who gets what?

What should we produce?

For whom should we produce it?

Explanation:

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3 years ago
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