How do the forces in nuclear and chemical reactions differ?

Abird sitting high in a tree is an example of what type of wnergy

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

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?