Help plz you and your classmates are experimenting with things that can affect with strength of an electromagnet. the data table records the number of paper clips picked up by an electromagnet with 50 coils of wiring at differing voltages. What conclusion can you draw from your data?

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

Why are graphs useful when interpreting data

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up