subject
Physics, 15.04.2020 20:38 primmprincess312

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 4.0 104 cm. What is

the cross-sectional area of the piece of wood? (Ywood 1.0 109 N/m2)

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 06:50
What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?
Answers: 1
question
Physics, 22.06.2019 09:30
Why are graphs useful when interpreting data
Answers: 2
question
Physics, 22.06.2019 22:30
The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s
Answers: 2
question
Physics, 23.06.2019 00:40
Researchers conducted an experiment to identify the effects of three different hand sanitizers on the growth of bacteria. the researchers grew one type of bacteria in twenty-four identical covered petri dishes. then, they opened eighteen petri dishes and applied the three hand sanitizers to six petri dishes each. they left the remaining six petri dishes closed as a control group. when the researchers measured the growth of bacteria two days later, the six dishes that had no hand sanitizer showed the least amount of bacterial growth. the researchers concluded that not using any hand sanitizer would lead to the least bacterial growth. which statement best explains why the researchers’ conclusion was not justified? the experiment tested too many variables. the control group was not treated the same as the experimental group. the sample size of twenty-four petri dishes is not large enough. the single type of bacteria is not adequate to make any conclusions.
Answers: 1
You know the right answer?
When a piece of wood is distorted by a karate chop, the top of the board is

compressed w...
Questions
question
Mathematics, 24.06.2021 05:10
question
Physics, 24.06.2021 05:10
question
Mathematics, 24.06.2021 05:10
question
Mathematics, 24.06.2021 05:10
question
History, 24.06.2021 05:10
question
Mathematics, 24.06.2021 05:10
question
Mathematics, 24.06.2021 05:10
Questions on the website: 13722362