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Magnetism & Motion
Question | Answer |
---|---|
Position | the location of an object compared to a reference point |
Origin | a fixed reference point |
Speed | the distance an object travels divided by the time it takes |
velocity | speed with DIRECTION |
Average Speed | the total distance divided by the total time for a trip |
speed formula | s = d/t |
m/s | units of speed |
km/h | units of speed |
Magnet ends | north & south poles |
Elements that are highly magnetic | IRON , NICKEL , COBALT |
Like poles of a magnet (N-N or S-S) | REPEL |
Un-like poles of a magnet (N-S) | ATTRACT |
A turtle travels 20 meters in 5 seconds, what is its average speed? | 4 m/s |
In 10 seconds a horse ran 50 feet, what is its average speed? | 5 ft/s |
A change in position is referred to as | Motion |