You rub a small glass ball with a piece of silk, giving the ball a charge of 3.0 x 10C North B. West Determine the magnitude of the force due to Earth's magnetic field if you throw the ball with a velocity of 6.0 m/s toward geographic west (Hint: 1T=1 kg/C-s) A 9.0x 10-12 N B. 10x 10 N O C 25x 10-19 N D. 11 x 101" N

10 nc 10 nc 5.0 nc In the figure above, a= 13.4 cm and b= 4.95 cm. What is the magnitude of the force on the 5.0 nC charge?

What is the force on the 1.0 nC charge in the figure below? Give your answer as a magnitude and a direction. 1.0 nC 1.0 cm 2.0 nC + 60° 60% 1.0 cm 1.0 cm 2.0 nC

02 5: ELECTRICITY AND Question 50 mm Question 5 2 The charges P (180 nC), Q (160 nC) and R (-250 nC). are placed in a straight line. The distance between P and Q is 10 cm, but the distance between Q and Ris MAGNETISM QUESTIONS vertically on silk threads, 50 mm 0,0003 C -0,002 C the sketch . unknown. The ELECTROSTATICS 10 cm magnitude of the electrical field at Q, due Coulomb's Law indicated. to charges P and R, is 1 000 000 N.C. R -250 nC Question 1 180 nC 160 nC Calculate the magnitude of the force that the balls exert on each other in this position 2.1 Three point charges, A = 2 µC, B = -3 µC and C = -1 µC, are placed linearly at equal distances of 20 mm apart. 1.1 5.1 Indicate the direction of the electrical field at position Q. 2.2 5.2 Show that the magnitude of the net force exerted on charge Q is 0,16 N. 20 mm balls are released to move freely. 20 mm Determine the magnitude of the force that the balls exert on each other when they come to a 2 μC -3 μ C -1 μC 2.3 5.3 Calculate the…