Physics, 29.07.2021 22:20 qxeenjasss
Người ta thực hiện công 200j để nén khí trong 1 xi lanh. Tính độ biến thiên nội năng của khí , biết khi truyền ra môi trường xung quanh nhiệt lượng là 40j
Answers: 3
Physics, 22.06.2019 06:00
The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.
Answers: 2
Physics, 22.06.2019 12:00
If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
Answers: 1
Physics, 22.06.2019 12:30
Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?
Answers: 1
Physics, 22.06.2019 14:30
In order to do work, the force vector must be question 1 options: in a different direction than the acceleration vector. in a different direction than the displacement vector. in the same direction as the displacement vector and the motion. in the same direction as the acceleration vector.
Answers: 1
Người ta thực hiện công 200j để nén khí trong 1 xi lanh. Tính độ biến thiên nội năng của khí , biết...
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