Physics
Physics, 20.09.2020 06:01, mimithurmond03

The half life of radium is 1600 years. After bow many years 25% of radium block remain undecayed?

answer
Answers: 1

Other questions on the subject: Physics

image
Physics, 22.06.2019 15:00, bagofmud8339
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
Answers: 3
image
Physics, 22.06.2019 15:00, rosehayden21
A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
Answers: 2
image
Physics, 23.06.2019 05:00, cristian901997
The voltmeter reads 117 v and ammeter reads 0.13 a .if the resistance of ammeter and voltmeter are 9 kilo ohm and 0.015 ohm respectively ,find the value of r. 3marks
Answers: 3
image
Physics, 23.06.2019 05:40, robert7248
Element with 3protons and 5neutrons
Answers: 2
Do you know the correct answer?
The half life of radium is 1600 years. After bow many years 25% of radium block remain undecayed?...

Questions in other subjects: