You multiply force times friction
Answer:
um how about no.. this is not the site for what you're looking for...
Explanation:
The answer is A.
p=m/v
p= 240/60
p= 4 g/cm^3
My calculations state, not rounding, the mass is 1.8
1. The time for a radioactive sample to reduce to half of its original mass.
4. 10% of 232 is 23.2 times 6 equals 139.2
68.9 x6 equals 413.4
5. 0.37kg
6. 2000 years
7. 6.84 seconds
