Answer:
you calculate a specific type of run for example 100m and it takes 20 seconds to finish and calculate the time it takes them to finish
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Explanation:
Answer:
steel
Explanation:
steel because steel has more power to hold something up, where bricks arent as stable
Friction is causing the skateboard to stop rolling.
Answer:
kilograms and grams
Explanation:
kilograms is the stadard unit for mass according to the SI system.
Grams is another unit for mass.
Answer:
Resulting Change in the Magnetic Flux 
Explanation:
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