SOLUTION: This is a physics problem. A continuous force of 20 lbs is used to accelerate a 6 lb ball and a 10 lb ball. What is the velocity of each after 24 seconds? I used the formula a

Question 991688: This is a physics problem.
A continuous force of 20 lbs is used to accelerate a 6 lb ball and a 10 lb ball. What is the velocity of each after 24 seconds?
I used the formula a=force/mass (acceleration = net force/mass)
20/6= 3.3 and 20/10= 2

Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
We have a formula for velocity; it says that v=at, where v is the final velocity, a is the average acceleration and t is the time the body accelerates.
The acceleration is unknown, but you can express it in terms of F and m: F=ma.
If we combine these two formulas, we can say that: vfinal= (F/m)t= (Ft)/m. Now applying this formula to your numbers:
vfinal= (20*24)/6 = 80
vfinal= (20*24)/10= 24
Notes: Your problem is stated in lbs. These formulas are typically in: N for the Force, kg for mass, and meters/second squared (m/s^2) for the acceleration. I don't know if you have to convert or not. If you do: 1lb Force= 4.44822162 newtons; 1lb mass= 0.453592kg

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