Which statement is true? A) As the electric current through a wire increases, the magnetic field around the wire
becomes stronger.
B) As the electric current through a wire increases, the magnetic field around the wire becomes weaker.
C) As the electric current through a wire increases, the magnetic field around the wire is unaffected.
D) As the electric current through a wire decreases, the magnetic field around the wire becomes stronger.

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

The amount of potential energy possessed by an elevated object is equal to what?