liliaboop2012
03.10.2019 •
Physics
When a trebuchet counterweight is hoisted by soldiers, what form of energy is
transferred into the machine as work?
2. what is the relationship between the mass of the counterweight and the
amount of work done on the projectile?
3. describe how lifting a counterweight is doing work using the formulaw = fd.
4. what force must be overcome to lift the counterweight?
5. if the mass of the counterweight increases by adding more mass, how does the
force required to lift the counterweight change?
6. how is the work done to hoist the counterweight related to the potential energy of
the counterweight at its specified height?
7. if energy is conserved, describe the kinetic energy of the projectile in relation to the
work in and the potential energy of the counterweight.
8. provide a well-written hypothesis that can explore the function of the
counterweight in a trebuchet.
9. identify the dependent and independent variables in your experiment.
10.where is a safe place to use your trebuchet?
11.how will you determine the work done to the counterweight to hoist it to the
catapulting lever?
12.how will you measure the distance the projectile flies?
13.how will you use the dependent variable and independent variable in your data
table?
14.what factors need to be kept consistent during the experiment?
15.why is it important to do multiple trials for each different counterweight and
then calculate the average?
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Ответ:
14. Many factors need to be kept consistent throughout the experiment. One example of a variable that would need to be consistent is the weight and size of the projectile.
15. It is important to do many trials so that you can make sure that the results of each trial are nearly the same. If they are all vastly different, then it means that something has gone wrong.
Sorry I was only able to answer a few questions, but I hope these few answers help! :)
Ответ:
The demand curve for steel to shift to the right
Explanation:
The question isn't complete. The full question can be found: https://www.chegg.com/homework-help/questions-and-answers/3-plastic-steel-substitutes-production-body-panels-certain-automobiles-price-plastic-incre-q31436687
Substitutes goods are goods that can be used in place of one another. If the price of plastic increases, consumers shift to steel, its demand increases and the supply curve shifts to the right.
I hope my answer helps you