Electric currents and magnets each exert a force.
Physics, 15.02.2021 20:10 ed72018373
Which statement is most correct?
A.
Electric currents and magnets each exert a force.
B.
Electric currents exert a force but magnets do not
C
Neither an electric current nor a magnet exert a force.
D
Electric currents do not exert a force but magnets do exert a force.
Answers: 2
Physics, 22.06.2019 11:50
The scalar triple product computes the magnitude m of the moment of a force vector f about a specified line. it is m = (r × f) · n, where r is the position vector from the line to the point of application of the force and n is a unit vector in the direction of the line. use matlab to compute the magnitude m for the case where f = [12, −5, 4] n, r = [−3, 5, 2] m, and n = [6, 5, −7].
Answers: 3
Physics, 22.06.2019 16:00
Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?
Answers: 1
Physics, 22.06.2019 18:30
Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.
Answers: 1
Which statement is most correct?
A.
Electric currents and magnets each exert a force.
Electric currents and magnets each exert a force.
Mathematics, 11.04.2021 21:40
Business, 11.04.2021 21:40
Arts, 11.04.2021 21:40
Social Studies, 11.04.2021 21:40
Arts, 11.04.2021 21:40
Geography, 11.04.2021 21:40
Mathematics, 11.04.2021 21:40
Mathematics, 11.04.2021 21:40
Mathematics, 11.04.2021 21:40
Medicine, 11.04.2021 21:50