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Lilit [14]
3 years ago
10

What are the 3 properties of magnetics

Physics
1 answer:
fredd [130]3 years ago
6 0

Answer:

they point north and south directionwhen suspende freely

the poles exist in pairs

they attract magnetic substance

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Explanation:

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A bullet was fired from a gun. The bullet had a mass of 50g and the kinetic energy of the bullet was 25 kJ. How fast did it go?
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Answer:

given \:  \\ mass \: (m) = 50g \\ kinetic \: enegy \: (k.e) = 25kj \\ velocity(v) = x \\ form \\ k.e =  \frac{1}{2}  \times MV ^{2}  \\ 25 =  \frac{1}{2}  \times 50 \times v {}^{2}  \\ 25 = 25 \times v {}^{2} \\ v {}^{2}  =  \frac{25}{25}  \\ v {}^{2}  = 1 \\ v =  \sqrt{1}  \\ v = 1ms {}^{ - }

the car it go fast with velocity 1m/s

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3 years ago
When selecting a material for a measuring temperature, we use what sort of properties?
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g100num [7]
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