about 10cm2
100 million
There are 16 ounces in a pound, so 16 / 0.110 = 145.5 ping-pong balls would weigh 1 pound. Rounded down, this means that you would need 145 ping-pong balls to equal 1 pound in weight.
about 144 ping pong balls are in a gross.
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No they do not.
Sure it can. But you'll need a lot a lot of ping pong balls- I believe the ratio is about 1 pound per 15 ping pong balls... then you can lift just about anything.
Approximately 19 million.
On a scale of one to ten, the toxicity of Ping pong balls would be 1, because they are made of celluloid, which is not poisonous but flammable.
The number of ping pong balls needed to get a steel cube to float would depend on the mass of the steel cube.
a number .
0 - ping pong balls are solid in color with no dots