Giúp bài vật lý lớp 10 mình với mn ơi !!!Tính thời gian xe chạy từ Hà Nội Đến Sài Gòn E cảm ơn ạ .

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

Explain why you think this diagram shows what happened to the carbon in the biodome.