brianna206 brianna206

02-04-2018
Mathematics

contestada

The pressure of a basketball is 7.5 pounds per square inch.
Work out this pressure in grams per square centimetre

Respuesta :

MsEHolt MsEHolt

12-04-2018

It will be 527.3 g/cm².

1 lb = 453.592g; then 7.5 lb = 7.5(527.3) = 3401.94 g/in²

1 in = 2.54 cm; 1 in² = 1in x 1in = 2.54cm x 2.54cm = 6.4516cm²

So 7.5 lb/in² = 3401.94g/6.4516cm² = 527.3 g/cm²

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