Mechanical waves require a medium for transmission.
a. true
b. false

The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth’s center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?