After 10 seconds, the submarine detects the reflected wave, calculate the distance of the submarine from the big rock. Velocity of ultrasonic wave = 1560 ms^-1 can someone help me ?

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.

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions