subject
Physics, 08.09.2021 16:20 tj361

2 địa điểm cách nhau 180km có 2 xe khởi hành cùng 1 lúc, chạy ngược chiều nhau . xe từ Aco1 vận tốc v1=36km/h, xe từ B có vận tốc v2=54km/h. chọn địa điểm A làm gốc tọa độ, chọn gốc thời gian lúc xe khởi hành, chiều từ A đến B là chiều dương. thời điểm 2 xe tới gặp nhau và tọa độ của địa điểm 2 xe gặp nhau là bao nhiêu

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 10:00
Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.
Answers: 1
question
Physics, 22.06.2019 12:30
Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.
Answers: 1
question
Physics, 22.06.2019 20:30
You are doing a science experiment with a fahrenheit thermometer. your data must be in degrees celsius. if you measure a temperature of 125°f, what is this temperature in degrees celsius
Answers: 1
question
Physics, 22.06.2019 21:10
Aspecified volume of space contains an electric field for which the magnitude is given by e=e0cos(ωt). suppose that e0 = 20 v/m and ω = 1.0 × 107 s−1. part a what is the maximum displacement current through a 0.80 m2 cross-sectional area of this volume? express your answer with the appropriate units. idisp,max i d i s p , m a x = nothing nothing request answer part b how would this area have to be oriented relative to the electric field to get this maximum displacement current?
Answers: 2
You know the right answer?
2 địa điểm cách nhau 180km có 2 xe khởi hành cùng 1 lúc, chạy ngược chiều nhau . xe từ Aco1 vận tốc...
Questions
question
Mathematics, 13.10.2019 10:00
Questions on the website: 13722363