3 years ago

Magnetic field lines are more concentrated at the poles of the magnet True False

Physics

1 answer:

yKpoI14uk [10]3 years ago

8 0

Answer:

True! UwU

Explanation:

the magnetic field is strongest near to the poles of the magnet were the lines of flux are more closely spaced.

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When 2 Forces Act in the SAME DIRECTION they are _____.

posledela

Explanation:

they are balance force

7 0

3 years ago

Gallium is a solid metal at room temperature, but it will melt to a liquid in your hand. the melting point of gallium is 85.6 f.

Nimfa-mama [501]

Fahrenheit = 85.6°F

Celsius = (5/9) (Fahrenheit - 32)

Celsius = (5/9) (85.6 - 32)

Celsius = (5/9) (53.6)

<em>Celsius = 29.78°C</em>

Kelvin = Celsius + 273.15

Kelvin = 29.78 + 273.15

<em>Kelvin = 302.93K </em>

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2 years ago

At Magic Mountain there is a ride in which people stand up against the inside wall of a large cylinder of radius 3 m. The cylind

mafiozo [28]

Answer:

0.1308

Explanation:

To keep the rider from sliding down, then the friction force $F_f$ must at least be equal to gravity force $F_p$

$F_f = F_p$

$\mu N = mg$

where μ is the coefficient, N is the normal force acted by the rotating cylinder, m is the mass of a person and g = 9.81 m/s2 is the gravitational acceleration.

According to Newton's 3rd and 2nd laws, the normal force would be equal to the centripetal force $F_c$ , which is the product of centripetal acceleration $a_c$ and object mass m