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ANEK [815]
4 years ago
15

Alisha uses wire to connect a battery, a lightbulb, and a switch, but the bulb does not light up even though the switch is in th

e closed position. Which might explain the problem?
Physics
1 answer:
mojhsa [17]4 years ago
5 0

Alisha uses wire to connect a battery, a lightbulb, and a switch, but the bulb does not light up even though the switch is in the closed position. The switch is in closed position that is why her circuit would not work. It must be open so that electrons can move along the wire and enable the lightbulb to light up.

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kifflom [539]

Answer:

Height will be 3.8971 m        

Explanation:

We have given that radius of the solid r = 1.60 m

Mass of the solid disk m = 2.30 kg

Angular velocity \omega =4.46rad/sec

Moment of inertia is given by I=\frac{1}{2}mr^2

Transnational Kinetic energy is given by KE=\frac{1}{2}mv^2 as we know that v = v=\omega r

So KE=\frac{1}{2}m(\omega r)^2

Rotational kinetic energy is given by KE_{ROTATIONAL}=\frac{1}{2}I\omega ^2=\frac{1}{2}\left ( \frac{1}{2}mr^2 \right )\omega ^2=\frac{1}{4}m(r\omega )^2

Potential energy is given by mgh

According to energy conservation

mgh=\frac{1}{2}m(\omega r)^2+\frac{1}{4}m(\omega r)^2

h=\frac{3r^2\omega ^2}{4g}=\frac{3\times 1.60^2\times 4.46^2}{4\times 9.8}=3.8971m

3 0
3 years ago
During the process of psychotherapy, Elaine recovered some long-forgotten and painful memories from her childhood. This experien
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<span>A van is traveling on a road at a speed of 55 km/h relative to a
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5 0
4 years ago
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Answer:

The work could be either positive or negative, depending on the direction the object moves

Explanation:

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2 years ago
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