The writer is very fast, professional and responded to the review request fast also. Thank you.
Why do gymnasts use floor mats that are very thick?
Why does a baseball catcher’s mitt have more padding than a conventional glove?
You have a friend who says that after a golf ball collides with a bowling ball at rest, although the speed gained by the bowling ball is very small, its momentum exceeds the initial momentum of the golf ball. Your friend further asserts this is related to the “negative” momentum of the golf ball after collision. Another friend says this is hogwash-that momentum conservation would be violated. Which friend do you agree with?
Explain how “elastic potential energy” dramatically changed the sport of pole vaulting when flexible fiberglass poles replaced stiffer wooden poles.
Suppose that you and two classmates are discussing the design of a roller coaster. One classmate says that each summit must be lower than the previous one. Your other classmate says this is nonsense, for as long as the first one is the highest, it doesn’t matter what height the others are. What do you say?
An inefficient machine is said to “waste energy.” Does this mean that energy is actually lost? Explain.
Please answer each question in at least 500 words
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.
Read moreEach paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.
Read moreThanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.
Read moreYour email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.
Read moreBy sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.
Read more