Question

Two one-coulomb point charges are at a distance of 1.55 m from each other. What is the size of the electric force between the two charges?

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The mass of the Falcon Heavy rocket is 1421 t. (The letter t stands for metric ton. One metric ton is equal to one thousand kilograms: 1 t = 1,000 kg.) The force between the two point charges above is equal to the weight of how many Falcon Heavy rockets?

Answer #1

1.4 [2pt] Consider two positive point charges Q at a distance 2
R from each other. Sketch electric field lines including their
direction.
1.4 ANSWER
1.5 [ 3pt] In problem 1.4, calculate electric fields (i) at a
distance R to the left of the left charge, (ii) at a distance R to
the right of the right charge, and (iii) at the mid-point between
the two charges. Assume Q = 1C and R = 1m.
1.5 ANSWER(s)
1.6 [3pt] Same...

Two point charges are separated by a distance r. If the
separation is reduced by a factor of 10.2, by what factor does the
electric force between the two charges increase?

Problem 1
Two charges are placed in an electric field a distance r from
each other. Charge q1 is positive while charge q2 is negative.
Select all possible changes that will double the electric force
between the two charges:
(a) change the sign of q2
(b) half the magnitude of q1 and half of r
(c) double the magnitude of q2 and take half of r
(d) take half of r
(e) double the magnitude of one of the charges...

15.3 Two equal point charges are separated by a distance of 23
cm. The magnitude of the force that one charge exerts on the other
is 18 N. What is the charge?
15.4 A 5 μC charge and a 3 μC charge are separated by some
distance. If the magnitude of the force that one charge exerts on
the other is 27 N, what is the distance between the two
charges?

Two electrostatic point charges of +55.0 µC and +48.0 µC exert a
repulsive force on each other of 160 N. What is the distance
between the two charges? The value of the Coulomb constant is
8.98755 × 109 N · m2 /C 2 . Answer in units of m.

Two point charges, -25?C and +60?C , are
separated by a distance of 22.0cm .
What is the magnitude of the electric field at a point halfway
between the two charges?

Two particles having charges of 0.430 nC and 3.87 nC are
separated by a distance of 1.20 mm.
1)At what point along the line connecting the two charges is the
net electric field due to the two charges equal to zero? Express
your answer in meters.
2)Where would the net electric field be zero if one of the
charges were negative? Enter your answer as a distance in meters
from the charge initially equal to 0.430 nC.
3)Is this point...

Two point Charges, q and -q, are separated by a distance d, both
being located at a distance d/2 from the infinite conducting plane.
What is the magnitude of the electric force action on each charge?
Find the magnitude of the electric field at the midpoint between
these charges?
Reference: In this instance the Conducting plate Separates -q
and q (which is d distance apart above the conducting plate). The
conducting plate is d/2 distance below the charges -q and...

If two point charges qi and q2 at some distance r attract each
other with a force of 60N, what force would they exert on each
other if r is increased fivefold (x5), qi is tripled (x3); and q2
is quartered (x1/4) and the signs of both charges are reversed. The
two charges will
a. attract eachother with a force of 9N
b. repel eachother with a force of 9N
c. attract eachother with a force of 1.8N
d. repel...

Three point charges are on the corners of an isosceles triangle
(a triangle where two sides have equal length). The distance
between ?1and ?2is ?and the distance between ?3and both ?1and ?2is
5?. The three charges have the relative values (?> 0):Q1=-3Q ,
Q2=2Q , Q3= 5Q
a)Draw diagrams showing the individual electric forces from the
other charges and the total electric force on each charge.
b) Solve for the x and y components of the total electric field
at...

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