Giúp bài vật lý lớp 10 mình với mn ơi !!!Tính thời gian xe chạy từ Hà Nội Đến Sài Gòn E cảm ơn ạ .

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the independent variable, the one that is intentionally manipulated, is whether or not the car hits the barrier.

the dependent variable, the one that you measure the response in, is the distance that the washers travel.

answer(20) psi;

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y