subject
Physics, 15.06.2021 08:30 breezyalanah

Đặt lần lượt các điện tích q1 = 1nC ; q2 = 1nC ; q3 = 1nC ; q4 = 1nC vào các đỉnh A, B, C, D của hình chữ nhật, kích thước 20cm x 40cm trong không khí. Tính điện thế tại O là giao điểm của hai đường chéo hình chữ nhật, chọn gốc điện thế tại vô cùng.

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 09:30
On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
Answers: 2
question
Physics, 22.06.2019 15:40
If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
Answers: 1
question
Physics, 22.06.2019 21:30
Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.
Answers: 1
question
Physics, 22.06.2019 22:30
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaρv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and ρ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and ρ = 1.2 kg/m3.
Answers: 2
You know the right answer?
Đặt lần lượt các điện tích q1 = 1nC ; q2 = 1nC ; q3 = 1nC ; q4 = 1nC vào các đỉnh A, B, C, D của hìn...
Questions
question
Mathematics, 05.05.2020 00:18
question
Mathematics, 05.05.2020 00:18
question
Mathematics, 05.05.2020 00:18
question
Chemistry, 05.05.2020 00:18
Questions on the website: 13722367