Some electronic devices such as phones and watches can be charged wirelessly. in the charger, there is a coil that generates a rapidly changing magnetic field. in the device, there is a second, 100-turn rectangular coil with side length of 3.0 cm and 4.0 cm. if the maximum rate of the change of the magnetic field and the second coil is 53 t/s, what is the emf induced in this coil?

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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i believe the answer is a hope it and is correct