amattatia amattatia

25-05-2018
Biology

contestada

Why does the frequency of a siren get higher as an ambulance using that siren gets closer?

Respuesta :

sandraaaT sandraaaT

25-05-2018

Well As the ambulance gets closer, the sound waves are compressed relative to the person; so the frequency increases.

Answer Link

Otras preguntas

What is the vapor pressure of water at 60˚C?

As you hike from the highest elevation to the lowest elevation, you find three different species of related mice. None of them are found at the same elevation,

A pizzeria tracks the number of pizzas delivered by Ben and Sean over two weeks. Each dot represents a day on which pizzas were delivered. Which statement co

A pigeon is reinforced with food every 30 seconds. As the 30-second mark nears, the pigeon can be seen getting more and more excited. The ability to "expect" th

If the price level increases, __________. a. the money demand curve shifts to the right b. there is movement along with a stationary money demand curve c.

Rachel recently started a new gift shop in town. When she is deciding how to price the new products in her shop, she measures the value of her products against

Minerals are considered to be the what if rocks?

HELP!! Which of these colonies would be most likely to be tolerant of different religious beliefs? A)New Hemisphere B)N

Amanda can jog 18 miles in 5 hours. At this rate, how many miles can Amanda jog in 4 hours

In a triangle ABC, if angle B= 60° and the ratio of two sides is a: C= 2: sqrt3 + 1, then angle A= 45° 40° 35 55°