Physics, 26.09.2019 21:30, h2o12

Why is an iron core needed in an electromagnet?

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Physics, 22.06.2019 06:00, dozsyerra

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Physics, 22.06.2019 08:40, ratpizza

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Physics, 22.06.2019 10:30, austinwst3

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?