honeiiboii honeiiboii

04-05-2024
Physics

contestada

5) A Geiger counter is used to monitor the radioactivity level of a certain isotope. During a 30. hour period, the count rate dropped from 600. counts/minute to 150. counts/minute. What is its half-life?

Respuesta :

Otras preguntas

Why is the solar system important

pulling a 15 kg mass from a bucket from a depth of 6 meters well a man shook 20 sec what was his power

PLEASE HELP ME ANSWER THIS PLEASE PLEASE PLEASE

pls help me I need help

Oral topics please,please be appropriate

anyone know how to write an email to teacher because im sick ( we have test today but im absent)

Grace the is taking 7/8 of a tablespoon of cold medicine 3 times a day. How much cold medicine is she taking in one day?

Someone help and please make sure it’s right :)

Complete the number sentence to solve. Eight girls share 7 sandwiches equally. How many sandwiches does each girl get? 7 ÷ = Each girl's share is of a sandwich.

If I have 21L of gas held at a pressure of 78atm and a temperature of 900K, what will be the temperature of the gas if I decrease the pressure to 45.2atm and in