daisyyyyyyy daisyyyyyyy

11-10-2015
Physics

contestada

an ultrasound wave vibrates 30,000 times per second. what is the frequency

Respuesta :

11-10-2015

"Hertz" is the unit of reciprocal time, "per second".

"30,000 per second" means "30,000 Hertz".

Answer Link

Otras preguntas

100 POINTS HELP ASAP Linear Combination

people are living longer and the treatment _____(get) more expensive.(use the correct form of verb given inside the bracket)

OS Question 2 A circle has a centre C (1,3)The end points of a diameter of the circle are A (-3,2k) and B (5,k) Find the value of k, k

how do you solve 5x-30 = 2x+6

What is the solution to the equation below? square root + 9 = 11

gosh i rly need help in the previous questions I asked and no one answered I wish I was smart to answer them alone why am I d.umb

Nick was surveying his field and saw some cows and ducks. Nick counted a total of 80 heads and 248 legs. Assuming there are no mutations in the animals, determi

How many moles of oxygen gas are need to produce 5.53 x 10 moles of water (1) 2 H2g) + Oz(9) 2 H2O(1)

Show work please :) 1. Susan answered 90% of her test questions correctly. she answered 54 questions correctly. how many questions were on the test?

Staying motivated tips for success include:(check all that apply) a)keep your eye on your long-term goals while working toward immediate goals. b)break large