The electrostatic force of attraction between two small spheres that are 1.0 meter apart is F. If the distance between the spheres is decreased to 0.5 meter, the electrostatic force will be (1) 5 (3) 2 4 (2) 2F (4) 4F

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Chapter1: Units, Trigonometry. And Vectors
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help please with questions 13,14,15,16 and 17 altogether because i’m very stressed out
13. The electrostatic force of attraction between
two small spheres that are 1.0 meter apart is F.
If the distance between the spheres is decreased
to 0.5 meter, the electrostatic force will be
(1) 5
(3)
(2) 2F
(4) 4F
14. Two identical small spheres possessing charges
9, and q2 are separated by distance r. Which
change would produce the greatest increase in
the magnitude of the electrostatic force that
one sphere exerts on the other?
(1) doubling charge q,
(2) doubling r
(3) doubling r and charge q,
(4) doubling r and charges q, and q2
Transcribed Image Text:13. The electrostatic force of attraction between two small spheres that are 1.0 meter apart is F. If the distance between the spheres is decreased to 0.5 meter, the electrostatic force will be (1) 5 (3) (2) 2F (4) 4F 14. Two identical small spheres possessing charges 9, and q2 are separated by distance r. Which change would produce the greatest increase in the magnitude of the electrostatic force that one sphere exerts on the other? (1) doubling charge q, (2) doubling r (3) doubling r and charge q, (4) doubling r and charges q, and q2
15. The diagram below shows two metal spheres
suspended by strings and separated by a
distance of 3.0 meters. The charge on sphere A is
+5.0 x 10 4 coulomb, and the charge on sphere
B is +3.0 x 10 coulomb.
16. If the charge is doubled on each of two small
spheres having a fixed distance between their
centers, the magnitude of the electrostatic force
that one sphere exerts on the other willI be
(1) halved
(2) doubled
(3) quartered
(4) quadrupled
-3.0 m-
17. A point charge A of +3.0 x 10-7 coulomb is
placed 2.0 x 10 2 meter from a second point
charge B of +4.0 × 10 7 coulomb. Calculate
the magnitude of the electrostatic force that
charge A exerts on charge B.
B)
What forces does sphere A exert on sphere B?
(1) an attractive gravitational force and a
repulsive electrostatic force of 15 N
(2) an attractive gravitational force and a
repulsive electrostatic force of 45 N
(3) a repulsive gravitational force and an
attractive electrostatic force of 15 N
(4) a repulsive gravitational force and an
attractive electrostatic force of 45 N
Transcribed Image Text:15. The diagram below shows two metal spheres suspended by strings and separated by a distance of 3.0 meters. The charge on sphere A is +5.0 x 10 4 coulomb, and the charge on sphere B is +3.0 x 10 coulomb. 16. If the charge is doubled on each of two small spheres having a fixed distance between their centers, the magnitude of the electrostatic force that one sphere exerts on the other willI be (1) halved (2) doubled (3) quartered (4) quadrupled -3.0 m- 17. A point charge A of +3.0 x 10-7 coulomb is placed 2.0 x 10 2 meter from a second point charge B of +4.0 × 10 7 coulomb. Calculate the magnitude of the electrostatic force that charge A exerts on charge B. B) What forces does sphere A exert on sphere B? (1) an attractive gravitational force and a repulsive electrostatic force of 15 N (2) an attractive gravitational force and a repulsive electrostatic force of 45 N (3) a repulsive gravitational force and an attractive electrostatic force of 15 N (4) a repulsive gravitational force and an attractive electrostatic force of 45 N
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