The direction of the magnetic field in a certain region of space is determined by firing a test charge into the region with its velocity in various directions in different trials. the field direction is 1. the direction of the velocity when the magnetic force is a maximum. 2. the direction of the velocity when the magnetic force is zero. 3. none of these 4. perpendicular to the velocity when the magnetic force is zero. 5. the direction of the magnetic force.
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Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 21.06.2019 23:20
Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?
Answers: 1
Physics, 22.06.2019 00:30
Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d
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Physics, 22.06.2019 16:00
The amount of potential energy possessed by an elevated object is equal to what?
Answers: 1
The direction of the magnetic field in a certain region of space is determined by firing a test char...
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