A small piece of dust of mass m 1.50g travels horizontally, Ask an Expert

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Q. A small piece of dust of mass m = 1.50g travels horizontally through an electric air cleaner in which the electric field is 498N/C. The electric force on the particle is equal to weight of the particle.

What is the charge on dust particle?

Q. An arrow is shot at 39 angles with the horizontal. It has a velocity of 52.0 m/s. The acceleration of gravity is 9.80 m/s2.How high will the arrow go?

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