You hold your physics textbook in your hand. (assume that no other objects are in contact with the book.) (a) identify the forces acting on the book. (select all that apply.) book on hand hand on book floor on book earth on book

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Why do different substances have diffrent properties