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Bezzdna [24]
3 years ago
7

Need help on this thanks

Physics
1 answer:
LuckyWell [14K]3 years ago
7 0

The answer is Air pressure.

:)

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A 5.0-ohm resistor, a 10.0-ohm resistor, and a 15.0-ohm resistor are connected in parallel with a battery. The current through t
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Answer:

E = 3456 J

Explanation:

The electrical energy expended in a resistor can be easily calculated by using the following formula:

E = Pt

where,

E = Energy Expended = ?

I = current through 5 ohm resistor = 2.4 A

R = Resistance = 5 ohms

P = Electrical Power = VI

Since,

V = IR (Ohm's Law)

Therefore,

P = (IR)(I) = I²R = (2.4 A)²(5 ohms) = 28.8 Watt

t = time taken = (2 min)(60 s/1 min) = 120 s

Therefore,

E = (28.8 Watt)(120 s)

<u>E = 3456 J</u>

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3 years ago
A jeweler is determining the optical properties of an unknown blue gemstone. She uses an angle of incidence of 62°, and measures
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Answer:

n = 1.76

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According to the rule of ( n1 sin theta1 = n2 sin theta2 )

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A book is sliding to a stop while moving across the classroom floor
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Answer:

can you please elaborate the question

Explanation:

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