On a summer day, 175 000 joules of energy are supplied to this electric aircraft's solar cells
every second. The useful energy transferred by the solar cells is 35 000 joules every second.
Calculate the efficiency of the solar cells.
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Ответ:
6.28 cm³
Explanation radius of piston is 0.01 m = 1 cm
Area A =pi·r² = 3.14 cm². And height h= 0.02 m = 2 cm
Volume V= Ah