Graciouzgigi9983 Graciouzgigi9983

22-05-2017
Physics

contestada

After two hours, 1/16 of the initial amount of a certain radioactive isotope remains undecayed. The half-life of the isotope is:

Respuesta :

orisisa orisisa

22-05-2017

The half life is 30 minutes.
30 mins- 1/2 left
60 mins- 1/4 left
90 mins- 1/8 left
120 mins- 1/16 left
120 mins= 2 hours

Answer Link

Otras preguntas

In an experiment, researchers exposed half of the participants to loud noise during a memory-encoding task. The room was quiet for the other half of the partici

30 POINTS!!! In this activity, you will choose a career in the financial services industry and analyze the required certifications for the chosen career. You wi

What is the purpose of genetically modified crops? O A. Increasing the food supply O B. Decreasing the number of farmers O C. Increasing the cost of food O D. D

Please help need answers now !

1. empatar brindar celebrar festejar 2. entrenador equipo circo torneo 3. cantante concierto grupo musical árbitro 4. estreno pantalla taquilla boliche Definici

Which statement is a central idea of "Zlateh the Goat"? A. Aaron relies on Zlateh for milk, and Zlateh eats the hay. B. Human beings often need the help of

Think about a particularly difficult time in your life. How did you respond to it? By writing in a journal By writing a song or poem By talking to friends or fa

47. You and a friend are picking up trash on a beach.You fill 2 bags with trash in 28 minutes. Yourfriend fills 3 bags with trash in 48 minutes. Whofills bags w

You and your friend are saving for a vacation. You start with the same amount and save for the same number of weeks. You save $75 per week, and your friend save

The following information pertains to Trenton Glass Works for the year just ended. Budgeted direct-labor cost: 70,000 hours (practical capacity) at $16 per hou