Iron filings were mixed together with salt crystals. what unique property of iron would be best to separate the filings from the salt?

Identify the type of synthetic material used in each object

Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?

Which of the following list the divisions of the geologic time scale in order from longest to shortest