You have a 40-Hz sound wave and a 5,000-Hz sound wave. Both are traveling through steel. Which sound wave will travel faster?

The waves will travel at the same speed as one another.

The 40-Hz wave will travel the fastest.

The 5,000-Hz wave will travel the fastest.

The louder of the two sound waves with travel the fastest.

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?

You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?