Physics
Physics, 19.05.2021 21:00, MaddieXMooo990

The half-life for an 80-gram sample of an unknown radioactive element is 5 days. how much of the unknown radioactive element remains after 10 days have passed? A.20g
B.40g
C70g
d80g

answer
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 21:00, Kennethabrown09
Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk, in meters?
Answers: 2
image
Physics, 21.06.2019 23:00, mkay78
When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart
Answers: 2
image
Physics, 22.06.2019 16:00, alecnewman2002
The energy produced as a result of this flow of electrons from atom to atom is called
Answers: 3
image
Physics, 22.06.2019 23:30, alangonsales6232
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 3
Do you know the correct answer?
The half-life for an 80-gram sample of an unknown radioactive element is 5 days. how much of the unk...

Questions in other subjects: