The density of a substance is the ratio of its mass to its volume. the formula for density is: d = mass/volume. if the density and the volume of a liquid are known, its mass can be found by a) adding its density to its volume. b) dividing its density by its volume. c) multiplying its volume and density. d) subtracting its density from its volume

Acommercial passenger jet can travel up to 970 km/hr at an altitude of 30,000 feet. at this speed, how long will it take the jet to travel 1,865 kilometers? a. 2.3 hrs b. 1.9 hrs c. 1.7 hrs d. 1.5 hrs

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Pl asaaap ! match the term to the correct description. a type of wave that transfers energy where the particles in the medium move perpendicular to the direction in which the energy is traveling. a type of wave that transfers energy where the particles in the medium move parallel to the direction in which the energy is traveling. movement that is back and forth, like an equal sign = a type of wave that transfers energy where the particles in the medium move in a circle motion while the energy travels left or right. movement that is like a t transfers energy from one location to another 1. wave 2. parallel movement 3. perpendicular movement 4. transverse wave 5. longitudinal wave 6. surface wave