XYZ is an equilateral triangle of side length 40.0 cm. Charges are placed at each vertex as indicated; +5.0 µC at X, +5.0 µC at Y, and -5.0 µC at Z. Find the net force on the charge at Z.

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

Asystematic approach to problem solving is called a (an)