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alexdok [17]
3 years ago
11

A 12 volt car battery is connected to a 3 ohm brake light. What is the current carrying energy to the lights?

Physics
1 answer:
zloy xaker [14]3 years ago
8 0

Answer:

4 A

Explanation:

V = IR, where V=voltage, I=current, R=resistance. This is Ohm's Law. (remember that for units V = volts, Ω = ohms, A = amperes.)

V = IR

12 V = I * 3 Ω

12/3 = I

<u>I = 4 A</u>

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A 15.0 kg turntable with a radius of 25 cm is covered with a uniform layer of dry ice that has a mass of 9.0 kg. The angular spe
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Answer:

 ω₂=1.20

Explanation:

Given that

mass of the turn table ,M= 15 kg

mass of the ice ,m= 9 kg

radius ,r= 25 cm

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Initial mass moment of inertia

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Now by conservation angular momentum

I₁ ω₁ =ω₂ I₂

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