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20 grams because 1x20=20
I'm not sure what the length of 1 paperclip is, but just measure a single one and multiply the length by 7.
Most likely a book. An average textbook is about 1 or 2 kilograms. Paperclips, pencils, and small blocks would be weighed in grams.
I would say about meters but they are measured in yards.so maybe if I'm not right,try going to a football game and maybe you can find out.thanks! You must be talking about international football, not American football. American football field is measured in yards. International football field is measured in meters.
No that would either be baseball or soccer.
an Obisometer
An odometer.
A field of grass or turf
No, a paperclip weighs less than a gram (less than 3000 of 3 likograms)
The size of a football field would be measured in square metres (1m*1m) = 1m2.But, if you're trying to measure one-dimension value then you will use metres.Standard "Gridiron" football field is about 5390m2.
Neither. I would use a centimetre.
Well... the electromagnet has a magnetic field around it which will then attract the paper clips, depending on how much strength the electromagnet has. Also the current flowing in the coil [wires] will make the nail or the electromagnet magnatise.