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Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.