Physics, 20.06.2021 21:10 QueenLife4869
Điện tích điểm Q gây ra điện trường tại A và B có cường độ lần lượt là Ea=22500 V/m và Eb=2500 V/m . Tính cường độ điện trường tqij trung điểm M của AB , biết Q-A-B thẳng hàng
Answers: 3
Physics, 21.06.2019 20:30
When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m
Answers: 2
Physics, 22.06.2019 02:30
The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
Answers: 3
Physics, 22.06.2019 12:10
Consider a one meter long horizontal pipe with a constant 100 cm^2 cross sectional area. water flows rightward into the pipe at x = 0 with flow velocity 02m/sec at every point within the pipe intake area. at x=1, the rightward flow rate is 0.192 m/sec. assume the water is a conserved quantity in the pipe, so there must be a leak (a sink) somewhere in the pipe. 1. compute net volumetric flow of the source if the system to be in equilibrium. 2. now assume the pipe in the problem has no leaks. compute the net volumetric rate of change for the system.
Answers: 3
Điện tích điểm Q gây ra điện trường tại A và B có cường độ lần lượt là Ea=22500 V/m và Eb=2500 V/m ....
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