Answered: If a radioactive element has diminished… | bartleby

Related questions

Question

Fast please i will rate instantly

If a radioactive element has diminished by 7/8 of its original
amount in 30 seconds, what is its half-life?
O 20 s
O None of the given options.
O 5s
O 10 s
O 2.5 s

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A motion that is given an initial velocity and follows a path under the influence of gravity. a. Rectilinear motion b. Uniform Circular motion c. Projectile motion d. Plane motion
Which acceleration below would you feel the most? a. 5 m/s^2 b. 10 m/s^2 c. 15 m/s^2 d. 20 m/s^2
13. When you jump out of the boat standing in still water, the boat will move * forward backwards sideways O clockwise
As an object freely falls downward, its..? A. acceleration increases B. velocity increases C. velocity and acceleration increases D. neither velocity nor acceleration increases E. velocity increases but acceleration decreases
What are 3 ways an object can have acceleration? Choose the best 3 answer please. 1. Have a high speed 2. Decrease speed 3. Change direction 4. increase speed 5. Remain at rest 6. Have constant velocity
Q13. An airplane starts at rest at the end of a runway. If it reaches a speed of 80 m/s in 18 s, what is the plane's acceleration?
QUESTION 19 When a car gets to the bottom of a hill, the driver releases the accelerator so that the car coasts up the hill. If the car reaches a vertical height of 10 m from the bottom of the hill, what was the initial speed of the car at the bottom? (Neglect rolling friction and assume that the car does not slide.) а. 14 m/s b. 10 m/s C. 16 m/s d. 18 m/s е. 12 m/s