What is the requirement for a core to be used in an electromagnet?
oa. it must be able to be increased.
b. it cannot be magnetized.
c. it must be an ion.
d.
it must be able to be magnetized.

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

If a simple machine reduces the strength of a force, what must be increased?

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.