SOLUTION: Determine number of lead balls, 1/4 in. in diameter, are in 1 lb.
Lead weighs .41 lbs. per cu. in.
Not sure how to proceed. Non - homework.
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Question 1128813: Determine number of lead balls, 1/4 in. in diameter, are in 1 lb.
Lead weighs .41 lbs. per cu. in.
Not sure how to proceed. Non - homework.
Found 3 solutions by Alan3354, josmiceli, ikleyn:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Determine number of lead balls, 1/4 in. in diameter, are in 1 lb.
Lead weighs .41 lbs. per cu. in.
============
0.25 d = 0.125 radius
cubic inches per ball.
Mass = Vol*density = (pi/384)*0.41 pounds pounds/ball
balls/pound is the inverse of pounds/ball = 384/(0.41*pi)
=~ 298 balls/pound
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Find the volume of a 1/4 in. dia. lead ball
in3
------------------------------
pounds/ball
About 37 lead balls
get a 2nd opinion
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.
The tutor @jomiceli mistakenly uses of an inch as the radius, while it is the diameter.
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