6 hours 24 minutes
1 hour = 60 minutes
0.4 hours = 60 x 0.4 = 24
Time = Distance/Speed = 500/64 = 7.8125 hours = 7 hours 48 min 45 sec.
1mg
1 mg
Copper-64 (Cu-64) has a half-life of approximately 12.7 hours. After one half-life (12.7 hours), half of the original sample would remain. Therefore, from a 2 mg sample, after 12 hours, approximately 1 mg of Cu-64 would remain, as it has not yet fully completed one full half-life.
0.7 hours = 42 minutes.
If my calculations are correct. Just under 20 hours.
64 hours
Time = Distance/Speed = 500/64 = 7.8125 hours = 7 hours 48 min 45 sec.
1 mg
1mg
The shortest time is 64 hours and 36 minutes.
1 mg
1 mg
Copper-64 (Cu-64) has a half-life of approximately 12.7 hours. After one half-life (12.7 hours), half of the original sample would remain. Therefore, from a 2 mg sample, after 12 hours, approximately 1 mg of Cu-64 would remain, as it has not yet fully completed one full half-life.
About 21 movies lasting two hours each.
Exactly eight times !
Possibly: 64.0 hours