perrigamer10 perrigamer10

03-06-2023
Physics

contestada

Please help I'm so lost.
Erbium-165 has a half-life of 10.4 hours. If you start with 1,000 grams of erbium-165, how much time will it take to have 125 grams of erbium-165 left in the sample?

A. 41.6 hours
B. 31.2 hours
C. 10.4 hours
D. 20.8 hours

Respuesta :

Otras preguntas

x = y - (50/y), where x and y are both > 0 If the value of y is doubled in the equation above, the value of x will a. decrease b. stay the same c. increase f

The "second front" on the beaches at Normandy in France allowed the Allies to what?

Rome fell in the year 476 to.a German tribe named

Which nuclear emission has the greatest penetrating power? (1) alpha particle (3) gamma radiation (2) beta particle (4) positron

Adding a catalyst to a chemical reaction results in (1) a decrease in activation energy and a decrease in the reaction rate (2) a decrease in activation energy

A plumber uses 16 inches of tubing to connect each washing machine in a laundry to the water source. He wants to install 18 washing machines. How many yards if

calculate the time required for a 6000.-Newton net force to stop a 1200.-kilogram car initially traveling at 10. M/s

the rockford's have a square play area that is built around a center sandbox that is in the shape of a circle. the sides of the play area are tangent to the cir

Which sentence is punctuated correctly? A. "It can creep along the ground." he added, "or climb trees." B. "The leaves," she explained, "can be anywhere from

Why did hitler hope to gain by invading russia