Перейти к выбору ответа 01.04.2022Помогите решить 83+5*(y-3)=3*(8y-9) Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Математика Вопрос школьника по предмету Математика Помогите решить 83+5*(y-3)=3*(8y-9) Ответ учителя по предмету Математика 83+5у-15=24у-27 24у-5у=83-15+27 19у=95 у=5
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Stretching Seatbelt Test:
Abstract
Background: Passengers who are riding in a car have potential energy. In a crash, a car decelerates quickly. This causes the passenger’s potential energy to become kinetic energy. Passengers wearing seatbelts stop. With non-streatching seatbelts, the passenger’s stopping distance is short. Stretching a slightly greater stopping distance exerts less force on passengers.
Results: Tests show that stretching seatbelts reduce the force and Gs that passengers feel.
Conclusions:
The new seatbelts reduce injuries.
This is because less work is done on passengers. Instead, most of the passenger’s kinetic energy transfers to the belt.