Does anyone know the answer ? I forgot my calculator.

12 x sin50

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.

What property of an object determines its inertia?