Physics, 31.07.2019 20:00 rosyarellano101127
The chemical equation shown represents photosynthesis. carbon dioxide plus a plus light with a right-pointing arrow towards b plus oxygen. the arrow has an x above it. what is the role of substance b in photosynthesis? it stores chemical energy. it converts light into chemical energy. it traps light energy from the atmosphere. it cools the atmosphere by changing into vapor.
Answers: 2
Physics, 22.06.2019 05:20
A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you
Answers: 3
Physics, 22.06.2019 09:00
Sobre transformações cÃclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cÃclica é nula; ii – o trabalho, em uma transformação cÃclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cÃclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv
Answers: 1
Physics, 22.06.2019 18:10
Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)
Answers: 1
Physics, 22.06.2019 18:30
A1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. what is the magnitude of the friction force required to keep the car from sliding?
Answers: 3
The chemical equation shown represents photosynthesis. carbon dioxide plus a plus light with a right...
Health, 12.09.2019 03:30
Social Studies, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30