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user100 [1]
3 years ago
8

What is the answer of A and B question 2

Physics
2 answers:
Andrews [41]3 years ago
7 0
I think it would be 75.2 degrees but I don't understand the question
jok3333 [9.3K]3 years ago
5 0
They have the writing
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How fast would a 2-kilogram object need to move to have the same kinetic
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Answer:

11.3 m/s

Explanation:

KE₁ = KE₂

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½ (2 kg) v² = ½ (4 kg) (8 m/s)²

v ≈ 11.3 m/s

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To do your homework correctly you should (5 points)
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C according to me

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When enough ____ is added to the substance, the solid reaches its ____ point and becomes a liquid
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3 years ago
A charge of 1.5 µC is placed on the plates of a parallel plate capacitor. The change in voltage across the plates is 36 V. How m
belka [17]

Answer:

Energy stored in the capacitor is U=2.7\times 10^{-5}\ J        

Explanation:

It is given that,

Charge, q=1.5\ \mu C=1.5\times 10^{-6}\ C

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We need to find the potential energy is stored in the capacitor. The stored potential energy is given by :

U=\dfrac{1}{2}q\times V

U=\dfrac{1}{2}\times 1.5\times 10^{-6}\times 36  

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So, the potential energy is stored in the capacitor is U=2.7\times 10^{-5}\ J. Hence, this is the required solution.

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3 years ago
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