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Slav-nsk [51]
3 years ago
5

How do electric insulators and conductors differ?

Physics
1 answer:
mixas84 [53]3 years ago
8 0

Answer:

The most common difference between the two is that while conductors allow free flow of electrons from one atom to another, insulators restrict free flow of electrons. Conductors allow electrical energy to pass through them, whereas insulators do not allow electrical energy to pass through them.

Explanation:

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8 0
3 years ago
Read 2 more answers
The coefficient of friction between a rider and the merry go round is 0.45 and the person is measured to be traveling at 20.0 RP
svlad2 [7]

The person must stand at a radius of 0.99 m

Explanation:

In order for the person to stand on the merry go round, the force of friction acting on the person must provide the centripetal force necessary to keep the person in uniform circular motion.

Therefore, we can write:

\mu mg = m\omega^2 r

where:

- the term on the left is the force of friction, and the term on the right is the centripetal force

\mu = 0.45 is the coefficient of friction

m is the mass of the person

g=9.8 m/s^2 is the acceleration of gravity

\omega = 20 \frac{rev}{min} \cdot \frac{2\pi rad/rev}{60 s/min}=2.09 rad/s is the angular velocity

r is the radius of the circular path

Solving the equation for r, we find the radius at which the person must be standing:

r=\frac{\omega^2}{\mu g}=\frac{(2.09)^2}{(0.45)(9.8)}=0.99 m

Learn more about circular motion:

brainly.com/question/2562955

brainly.com/question/6372960

#LearnwithBrainly

8 0
3 years ago
10.What is the Kinetic Energy of a 150 kg object that is moving with a speed<br> of 15 m/s? (7b)
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4 years ago
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