Which is a metal alloy? A. iron, used for making nails, free weights, and ornamental garden fencing

B. neodymium, an element in the lanthanide series used for making headphones

C. alnico, a mixture of aluminum, nickel, and cobalt used for making magnets

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.

The least penetrating form of radiation is

How does the entropy of steam compare to the entropy of ice?