A negative charge of -0.590 μC exerts an upward 0.900-N force on an unknown charge that is located 0.500 m directly below the first charge.
Part A
What is the value of the unknown charge (magnitude and sign)?
Part B
What is the magnitude of the force that the unknown charge exerts on the -0.590 μC charge?
Part A
The negative charge -0.590
C attracts( upwards force on a below charge) an unknown charge that
is 0.5 m below it. Since the force is attraction, hence it has to
be a positive charge.
Let the unknown charge be q
Now the force of attraction given by Columb's Law is
Fe = k (0.590 * 10-6) (q) /
(0.5)2
Fe = 0.9 N
0.9 = 9*109 * (0.590 * 10-6) (q) / (0.25)
[ here k = 9*109 ]
q = (0.9 * 0.25) / (9*109)* (0.590 *
10-6)
q = 4.23 * 10-5 = 42.43
C
Part B
The force by which the +42.43
C charge acts on the -0.590
C is equal and opposite by Newtons Law.
The magnitude is Fe = 0.900N
Exercise 21.14 Constants Part A A charge of-0.500 μC exerts an upward 0.180-N force on an unknown charge 0.340 m directly below it. What is the unknown charge (magnitude and sign)? Q- Submit est Answer Part B What is the magnitude of the force that the unknown charge exerts on the charge of magnitude-0.500 μC ? Submit Part C What is the direction of the force that the unknown charge exerts on the charge of magnitude-0.500 μC ? upward downward...
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kindly answer step-by-step
2. A point charge of 0.750 uC exerts an upward 0.35- e unknown charge 0.225 m directly below it. Use Coulomid's Law to ermine (a) the magnitude and sign of the unknown charge, and (b) the magnitude and direction of the net electric force that the unknown charge exerts on the -0.750 uC charge. Sketch a diagram showing the point charges and the electric forces present
answer step-by-step and show alsi if its positive or
negative
2. A point charge of 0.750 uC exerts an upward 0.35- e unknown charge 0.225 m directly below it. Use Coulomid's Law to ermine (a) the magnitude and sign of the unknown charge, and (b) the magnitude and direction of the net electric force that the unknown charge exerts on the -0.750 uC charge. Sketch a diagram showing the point charges and the electric forces present
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