Physics, 15.06.2021 04:40 leslieperez67
Hai quả cầu kim loại nhỏ giống nhau mang điện tích q1 = 3 μC và q2 = -12 μC. Cho hai
quả cầu tiếp xúc nhau rồi đặt hai quả cầu cách nhau 3 m. Lực tương tác tĩnh điện giữa chúng khi
đặt trong không khí là:
A. 20,25.10-3N.
B. 36.10-3N.
C. 2,025 N.
D. 0,36 N.
Answers: 1
Physics, 22.06.2019 12:00
Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?
Answers: 3
Physics, 23.06.2019 23:50
The main difference between the internal combustion engine and the diesel engine is that the diesel engine a. has no ignition system. b. doesn't utilize pistons. c. has no connecting rods. d. doesn't have a crankshaft.
Answers: 3
Hai quả cầu kim loại nhỏ giống nhau mang điện tích q1 = 3 μC và q2 = -12 μC. Cho hai
quả cầu tiếp x...
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