A bar magnet is placed on a table so that the north pole faces right.
Which statement de...
A bar magnet is placed on a table so that the north pole faces right.
Which statement describes the magnetic field lines 2 cm above the table?
They are pointing down into the table.
They are pointing right to left.
They are pointing left to right.
They are pointing up out of the table.
Answers: 1
Physics, 22.06.2019 14:00
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
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Physics, 23.06.2019 03:50
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