Xercise 7:
When a piece of wood is distorted by a karate chop, the top of the board is
...
Physics, 03.03.2022 14:00 meganwintergirl
Xercise 7:
When a piece of wood is distorted by a karate chop, the top of the board is
compressed while the bottom is stretched as shown. Therefore, you must first
consider the change in length of the bottom of the board where the break
begins. Chantal is a black belt in karate and she breaks a 30.0-cm piece of
wood with a force of 70.0 N, changing it in length by 4.0 x 10-4 cm. What is
the cross-sectional area of the piece of wood? (Ywood = 1.0 x 10° N/m2)
Answers: 1
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