Question

An object elongates from a length of 45 cm to a length of 55 cm. The percent strain is

41%


22%


122%


82%


18%


36%

Answer 1

Percentage Elongate = (final gage length – initial gage length)/ initial gage length) x 100.

=55-45/45 *100

=10/45 *100

=22.2%