Problem 19.47 An object with a charge of -2.6 mu C and a mass of 1.0 x 10 kg exp

Question

Problem 19.47 An object with a charge of -2.6 mu C and a mass of 1.0 x 10 kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight. Part C If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration. Express your answer using three significant figures. a= m/s^2 Part D If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration. upward downward to the left to the right

Explanation / Answer

Fe = Fg

E*q = m*g

E = mg/q = (1e-3*9.8)/(2.6e-6) = 3769.23 N/C

B)

down wards

C)

Fnet = Fe - Fg = E*2q - m*g = (2*3769.23*2.6e-6)-(1e-3*9.8) = 0.009799996 N

a = Fnet/m = 0.009799996/1e-3 = 9.79 m/s^2

upwards

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