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Ilia_Sergeevich [38]
2 years ago
7

Please can someone solve this question ​

Physics
1 answer:
Lorico [155]2 years ago
3 0

Answer:both diagrams are attached.

Explanation:

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2 hrs 45 minutes

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You have to minus one hr because of tome change

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Which of the following traits might be considered an adaptation fora rabbit living in the Arctic?
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An object of mass 8kg is attached to massless string of length 2m and swum with a tangential velocity of 3 what is the tension o
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Answer:

36 N

Explanation:

If the object of mass, m = 8 kg is swung in a horizontal circle of radius, r = 2m = length of string with tangential velocity v = 3 m/s, the tension in the string is the centripetal force which is T = mv²/r

= 8 kg × (3 m/s)²/2 m

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What would you say to a friend who made this statement, “The visible-light spectrum of the Sun shows weak hydrogen lines and str
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Explanation:

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the statement that the sun shows weak hyrogen lines and strong calcium line is wrong because at the sun's temperature most of the hydrogen atoms are in lower energy states while calcium atoms are in higher energy states hence calcium has more or ''strong'' lines than hydrogen.

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3 years ago
Two balls have their centers 2.0 m apart. One ball has a mass of m1 = 7.9 kg. The other has a mass of m2 = 6.1 kg. What is the g
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Answer:

3.036×10⁻¹⁰ N

Explanation:

From newton's law of universal gravitation,

F = Gm1m2/r² .............................. Equation 1

Where F = Gravitational force between the balls, m1 = mass of the first ball, m2 = mass of the second ball, r = distance between their centers.

G = gravitational constant

Given: m1 = 7.9 kg, m2 = 6.1 kg, r = 2.0 m, G = 6.67×10⁻¹¹ Nm²/C²

Substituting into equation 1

F = 6.67×10⁻¹¹×7.9×6.1/2²

F = 321.427×10⁻¹¹/4

F = 30.36×10⁻¹¹

F = 3.036×10⁻¹⁰ N

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8 0
3 years ago
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