3 years ago

Give three examples from your life of magnetic force.

Physics

2 answers:

rewona [7]3 years ago

7 0

Magnets,popsocket, and a car

Margaret [11]3 years ago

4 0

Headphones, refrigerator magnets, and compasses

Hope that was helpful.

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Immediately after being struck by a hammer, the nail (mass of 50 g) has a velocity of 50 m/s. The total frictional force is 62.5

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Answer:

nail will stop after traveling 1000 m

Explanation:

We have given mass m = 50 gram = 0.05 kg

Frictional force which is used to stop the mass F = 62.5 kN

Initial velocity is given u = 50 m/sec

From newton's law force is equal to F = ma, here m is mass and a is acceleration

So $a=\frac{F}{m}=\frac{62.5\times 10^3}{0.05}=1.25\times 10^6m/sec^2$

As finally nail stops so final velocity v = 0 m/sec

From third equation of motion $v^2=u^2+2as$

So $0^2=50^2-2\times 1.25\times 10^6\times s$

s = 1000 m

So nail will stop after traveling 1000 m

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Billy drops a water balloon from the roof of his house. Since the balloon began with an original velocity of zero how far above

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