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Black_prince [1.1K]
3 years ago
15

Which statements describe intensity? Check all that apply.

Physics
2 answers:
REY [17]3 years ago
6 0

Answer:

it's A, D, E

Explanation:

olasank [31]3 years ago
4 0

Answer:

The correct answer is A

Explanation:

Intensity is defined as the energy that flows through a surface per unit of time.

The correct answer is A

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3 years ago
For a constant voltage, how is the resistance related to the current?
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1 year ago
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5 0
3 years ago
What is the potential energy of a 2 kg ball 15 m in the air?
oee [108]

Answer:

<h2>300 J</h2>

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

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h is the height

g is the acceleration due to gravity which is 10 m/s²

From the question we have

PE = 2 × 10 × 15

We have the final answer as

<h3>300 J</h3>

Hope this helps you

7 0
3 years ago
16. Two capacitors have an equivalent
Gennadij [26K]

Answer:

C1 + C2 = 30     parallel connection

C1 * C2 / (C1 + C2) = 7.2  series connection

C1 * C2 = 7.2 * (C1 + C2) = 216

C2 + 216 / C2 = 30    using first equation

C2^2 + 216 = 30 C2

C2^2 - 30 C2 + 216 = 0

C2 = 12 or 18    solving the quadratic

Then C1 = 18 or 12

5 0
3 years ago
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