Treść zadania
Autor: venomousdaisy Dodano: 20.5.2011 (18:32)
The head of a drop hammer is raised 2m and then falls freely to strike a billet of metal. If the mass of the hammer is 300 kg and the billet is reducted in size by 15 mm, in a time of 0.0048 s, what is the average force applied by hammer?
Solve the problem using D'Alembert's principle and the conservation of energy method and compare and contrast the methods as suitable for solving the particular problem.
Zadanie jest zamknięte. Autor zadania wybrał już najlepsze rozwiązanie lub straciło ono ważność.
Najlepsze rozwiązanie
Rozwiązania
Podobne materiały
Przydatność 100% Upadek - Fall Down
„Fall” „Fall” isn’t a very outstanding film. It tries to catch all of Nazis’ evil, but I think that Hitlers’ phenomenon is too hard to show for creators of this film. German actor – Bruno Ganz is the most important person in “Fall”. He tries to be perfectly similar to Adolf Hitler. Because of that we can see Fuehrer like poor, old and alienated man. What is worst while...
Przydatność 75% Meeting to raise funds for disadvantaged children
The purpose of this report is to outline the meeting held on Friday 5 th August to raise funds for the disadvantaged children from our town, Brighton. On the whole , the event appeared to be a real success . It seems that everyone was engaged in it and had a lot of fun during the whole day. This year it was decided to held the meeting in the main area of St Peter?s Park , which was...
Przydatność 65% Dropping out of college. cause/effect essay
Everybody at least once in their lives thinks about who they will be in the future. Some people are successful because they have the motivation and determination to graduate college; others are less lucky because of their lack of those characteristics and opportunities. Those people often don't feel fulfilled in their lives because they get into a routine. Usually non-college graduates most of...
Przydatność 100% Mountain rescue pair survive 100m fall in avalanche
Mountain rescue pair survived 100m fall as they were swept down a mountain by an avalanche trying to rescue irresponsible tourist yesterday. It was a really blizzardy and fairy cold day. They received an emergency call, and notwithstanding dangerous conditions they decided to risk their lifes and to go to bring help.They were climbing in Wielkie Doliny when in a split second, a giant slab of...
Przydatność 75% Rodzeństwo / bycie jedynakiem. (Is it better to be an only child or to be raised in a large family?)
There are many advantages and disadvantages of having siblings. In my opinion children who are raise in a large family are’t the object of ridicule. They can have fun with their brothers or sisters. Besides they teach teamwork and responsibility. They often share clothes or toys and look after younger siblings but it shows them how live in society. It sometimes happens that they have lack...
0 odpowiada - 0 ogląda - 1 rozwiązań
1 0
antekL1 25.5.2011 (14:27)
Patrz załącznik
Dodałem też dyskusję o nadmiarze danych w tym zadaniu.
Załączniki
Dodawanie komentarzy zablokowane - Zgłoś nadużycie