- Two Identical Small Spheres Of Mass 4 50 G Are Fastened To The Ends Of A 0 72m Long Light Flexible Insulating Fishing 1 (48.34 KiB) Viewed 12 times
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Question 2 (1 point) Two charged spheres 40 cm apart attract each other with a force of 8.62 x 10-6 N. What force results from each of the following changes, expressed in micronewtons? One charge is increased by a factor of 2.4, the other charge is decreased by a factor of 7.1 and the distance while the distance is increased by a factor of 1.4. Record the decimal part to two digits after the decimal point. No units Your Answer: Answer
Question 3 (1 point) Two charged spheres 42 cm apart attract each other with a force of 3.47 x 10-6 N. What force results from each of the following changes, expressed in micronewtons? Both charges are increased by a factor of 5.5 and the distance remains the same. Record the decimal part to two digits after the decimal point. No units Your Answer: Answer
Question 4 (1 point) A negative charge of 6.61 x 10-4 C and a positive charge 5.78 x 10-4 C are separated by 0.47 m. Calculate the magnitude of electrostatic force that each of the charges experience, expressed in kilonewtons. Is this force repulsive or attractive? If it is repulsive then identify it with the negative sign. Record your answer to two digits after the decimal point Your Answer: Answer
Question 5 (1 point) Three objects, carrying charges of q1=-4.71 x 10-6 C, q2= -5.34 x 10-6 C, and 93 +3.86 x 10-6 C, respectively, are placed in a line, equally spaced from left to right by a distance of 0.81 m. Calculate the magnitude and direction of the net force acting on q3 charge that results from the presence of the other two. State the negative sign if the net force is toward West. Your Answer: Answer
Question 6 (1 point) Two charged spheres 64 cm apart attract each other with a force of 6.05 x 10-6 N. What force results from each of the following changes, expressed in micronewtons? An uncharged, identical sphere is touched to one of the spheres, and then taken far away while the distance remains the same. Record only the decimal part of the force expressed in the form (Decimal part)x10-6 N. Record the decimal part to two digits after the decimal point. No units Your Answer: Answer
Question 7 (1 point) Two charged spheres 60 cm apart attract each other with a force of 6.74 x 10-6 N. What force results from each of the following changes, expressed in micronewtons? One charge is increased by a factor of 3.7, the other charge is decreased by a factor of 4.4 and the distance while the distance remains the same. Record the decimal part to two digits after the decimal point. No units Your Answer: Answer
Question 8 (1 point) The figure below shows three point charges that lie along the x axis. Determine the magnitude and direction of the net electrostatic force on charge q₁. Identify the negative sign if the direction of the net electrostatic force is West. Round your answer to three digits after the decimal point. No units Use the following information: 91 = + 6.21x10-6 C 92 = + 7.87x10-6 C 93 +9.51x10-6 C Distance between q1 and q2 is 0.36 m Distance between q1 and q3 is 0.48 m Your Answer: Answer
Question 9 (1 point) Three objects, carrying charges of q₁=-4.26 x 10-6 C, q2= -4.08 x 10-6 C, and 93 +4.31 x 10-6 C, respectively, are placed in a line, equally spaced from left to right by a distance of 0.69 m. Calculate the magnitude and direction of the net force acting on q2 charge that results from the presence of the other two. State the negative sign if the net force is toward West. Your Answer: Answer
Question 10 (1 point) Two positive charges of 8.07 x 10-6 C are separated by 0.65 m. Calculate the magnitude of electrostatic force that each of the charges experience. Is this force repulsive or attractive? If it is repulsive then identify it with the negative sign. Record your answer to two digits after the decimal point Your Answer: Answer
Question 11 (1 point) Two pith balls shown in the diagram below have a mass of 2.8 g each and have equal charges. One pith ball is suspended by an insulating thread. The other charge is brought to within 46 cm. The suspended pith ball is deflected from its rest position until the thread forms an angle of 34.5* with the vertical. At this angle, the ball is in equilibrium. Calculate the magnitude of the charges on each of the balls, in nC (nanocoulombs). Express your answer rounded to two digits after the decimal point Round your answer to three digits after the decimal point. No units Your Answer:
Question 12 (1 point) Two pith balls shown in the diagram below have a mass of 5.7 g each and have equal charges. One pith ball is suspended by an insulating thread. The other charge is brought to within 65 cm. The suspended pith ball is deflected from its rest position until the thread forms an angle of 24.4° with the vertical. At this angle, the ball is in equilibrium. Calculate the Tension on the thread at the moment of equilibrium, in millinewtons. Round your answer to two digits after the decimal point. No units Your Answer: Answer m
Question 13 (1 point) Two pith balls shown in the diagram below have a mass of 3.0 g each and have equal charges. One pith ball is suspended by an insulating thread. The other charge is brought to within 67 cm. The suspended pith ball is deflected from its rest position until the thread forms an angle of 38.5° with the vertical. At this angle, the ball is in equilibrium. Calculate the electrostatic force experienced by the pith ball at the moment of equilibrium, in millinewtons. Round your answer to two digits after the decimal point. No units Your Answer: Answer
15 Question 14 (1 point) Two equal charges of magnitude 5.06 x 10-7 C experience an electrostatic force of 4.07 x 10-4 N. How far apart, in m are the centers of the two charges? Record your answer to two digits after the decimal point. Note that units are in m, but do not state the units. Your Answer: Answer ▷ Add attachments to support your work
Question 15 (1 point) Three objects, carrying charges of q1=-3.46 x 10-6 C, 92= -4.91 x 10-6 C, and 93 +8.15 x 10-6C, respectively, are placed in a line, equally spaced from left to right by a distance of 0.77 m. Calculate the magnitude and direction of the net force acting on q1 charge that results from the presence of the other two. State the negative sign if the net force is toward West. Your Answer: Answer ▷ Add attachments to support your work
Question 16 (1 point) What will be the force of electric repulsion between two small spheres placed 0.26 m apart, if each has a deficit of 4.95x102 electrons? Express the electrostatic force expressed in piconewtons. Record your answer to two digits after the decimal point. Do not state the units. Your Answer: Answer Add attachments