Physics, 14.06.2021 16:20 dsaefong00
Hai quả cầu nhỏ, bằng kim loại, giống hệt nhau, tích điện Q1 và Q2, đặt tại A và B, lần lượt gây ra tại trung điểm M của AB các điện thế V1 = 200 V và V2 = – 300 V (gốc điện thế ở vô cùng). Nếu cho 2 quả cầu tiếp xúc nhau, rồi đưa về vị trí cũ thì điện thế tổng hợp tại M là bao nhiêu
Answers: 3
Physics, 21.06.2019 22:20
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
Physics, 22.06.2019 00:40
Aballet student who learns with the of his instructor is demonstrating learning.
Answers: 3
Physics, 22.06.2019 03:30
When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy
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Physics, 22.06.2019 19:20
On a hot saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 22degreesc. at noon the air conditioner is turned off, and the people go home. the temperature outside is a constant 33degreesc for the rest of the afternoon. if the time constant for the building is 4 hr, what will be the temperature inside the building at 4 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? at 6 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? when will the temperature inside the building reach 24degreesc? 324281
Answers: 3
Hai quả cầu nhỏ, bằng kim loại, giống hệt nhau, tích điện Q1 và Q2, đặt tại A và B, lần lượt gây ra...
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