Tiolu16
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#1
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#1
Please I need some help, I have been really stuck on this question.
A particle with mass and charge is moving from left to right in a uniform gravitational field and a uniform electric field. The gravitational field is downwards. The gravitational force and the electric force on this particle act in opposite directions.
What could be the sign of the charge on the particle and the direction of the electric field?
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olivia.linley1
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Do you know what the answer is? I think I have an idea but I don’t know if it’s right πŸ˜…
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millbaker
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I think it could either be a negative particle with a downwards electric field or a positive particle with an upwards electric field
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millbaker
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Because you need the particle to be attracted to the upper electric plate for the force to be in that direction (opp. to gravitational) and electric field direction is positive to negative
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Tiolu16
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Yeah it's negative with a downwards electric field thanks for the explanation I didn't understand it before
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