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Questions and Answers
What is the condition for the particle to return to the point of projection?
What is the condition for the particle to return to the point of projection?
- The electric field must be parallel to the horizontal distance xo. (correct)
- The electric field must be perpendicular to the horizontal distance xo.
- The electric field must be at an angle of 45 degrees to the horizontal distance xo.
- The electric field must be at an angle of 90 degrees to the horizontal distance xo.
What is the formula for the time of flight of the particle?
What is the formula for the time of flight of the particle?
- t = 2xo/g
- t = 2u sin(Ø)/g (correct)
- t = 2u/g
- t = 2xo/u
What is the formula for the magnitude of the electric field?
What is the formula for the magnitude of the electric field?
- E = (2m/g)u^2
- E = mg/(2u^2
- E = (2m/xo)u^2 (correct)
- E = mg/u
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