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stiv31 [10]
2 years ago
13

What type of machine is used to measure the location of an earthquake epicenter.

Physics
1 answer:
Ber [7]2 years ago
8 0

Answer:

Seismometer

Explanation:

Seismometer measures Earth quake epicenter while seismograph measures Earth quake size

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Define chemical and physical changes. (
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If you hold a bar magnet in each hand and bring your hands together, will the force be attractive or repulsive if the magnets ar
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a) The force is repulsive

b) The force is attractive

Explanation:

Every magnet has a magnetic field around it. It is possible to distinguish two different poles in the magnet, according to the direction of the magnetic field: in particular, the lines of the field go out from the North pole and go into the South Pole. When a magnet is broken, two new magnets are formed, each of them having its own north and south pole.

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Here we are holding a north pole and a south pole together: since they are opposite poles, they attract each other, so the force in this case is attractive

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5 0
3 years ago
if an object is falling on earth at a terminal velocity of 140 km/hr, does that mean that the acceleration is ZERO?
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And THAT tells you that the forces on him are balanced, the net force acting on him is zero, and his motion is the same as it would be if there were NO force acting on him.
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A and B are correct statements
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