The a-36 steel guy wire ab (e=29,000 ksi) is unstretched when = 45o . if a load, which causes to become 48o is applied to the bar ac, determine: a. the normal strain in the wire. b. the normal stress in the wire. c. the force supported by the wire if the diameter of the wire is 2 in.

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?

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.

What are atoms of the same element with varying number of neutrons