Someone ! serious answers only. how many miles are in 15,000 feet? 1 mile= 5,280 feet a. 2.84 miles b. 4.15miles c. 9,720 miles d. 79,200,000 miles

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence