Question

Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.43 m. Two of the spheres have a mass of 3.49 kg each. The third sphere (mass unknown) is released from rest. Considering only the gravitational forces that the spheres exert on each other, what is the magnitude of the initial acceleration of the third sphere?

Answer #1

Three identical 50-kg balls are held at the corners of an
equilateral triangle, 30 cm on each side. If one of the balls is
released, what is the magnitude of its initial acceleration if the
only forces acting on it are the gravitational forces due to the
other two masses? (G = 6.67 × 10^-11 N · m^2/kg^2)

Four 8.5 kg spheres are located at the corners of a square of
side 0.50 m. Calculate the magnitude and direction of the
gravitational force exerted on one sphere by the other three.

Three identical point charges are located at the corners of an
equilateral triangle that is 0.3m on each side. If each charge is
+20μC, than the magnitude of the net force (in N)
on one of the charges due to the other two is..

Three charged particles are located at the corners of an
equilateral triangle as shown in the figure below (let q =
2.80 µC, and L = 0.790 m). Calculate the total electric
force on the 7.00-µC charge.
magnitude
N
direction
° (counterclockwise from the
+x axis)
Three charged particles lie in the x y
coordinate plane at the vertices of an equilateral triangle with
side length L.
Positive charge q is at the origin.
A charge of 7.00 µC is...

Three identical small metal spheres form an equilateral triangle
of side length d = 3.5 cm. Initially, q1 = +2.0 nC, q2 = +6.0 nC,
and q3 = ?8.0 nC. Sphere 2 is first moved to touch sphere 1, then
moved again to touch sphere 3, and finally returned to the original
position. What now is the magnitude of the electrostatic force
exerted on sphere 1 by the other two spheres (in N)?
The answer was: 1.0*10^4 N

In the corners A and B of an equilateral triangle of three meters on each side there are two charges of 4µC each. The electric potential at point C of the triangle is
19.2 kV
b.
24.2 kV
c.
7.3 kV
d.
12 kV

Two identical charges (+5.0 C each) are placed at the bottom
corners of an equilateral triangle, as shown below.
If the length of one side is 3.0 m, find the magnitude of the
net force on a -12 C placed at the at the empty top corner.

Chapter 21, Problem 048 In the figure three identical conducting
spheres form an equilateral triangle of side length d = 16.0 cm.
The sphere radii are much smaller than d and the sphere charges are
qA = -1.59 nC, qB = -5.78 nC, and qC = +9.30 nC. (a) What is the
magnitude of the electrostatic force between spheres A and C? The
following steps are taken: A and B are connected by a thin wire and
then disconnected; B...

Three charges, each of charge 5.0 ""C are located at the
vertices of an equilateral triangle whose sides are 10 cm in
length. a) What is the total force, magnitude and direction, on
charge I? b) What is-the total potential energy of the three
charges? c) Charges 2 and 3 remain fixed, but charge one is now
allowed to move. If it starts from rest, what i.s its velocity when
it is very far away from charges 2 and 3?...

Three charged particles are placed at the corners of an
equilateral triangle of side 1.20 m (see (Figure 1)). The charges
are Q1 = 6.9 μC , Q2 = -9.3 μC , and Q3 = -4.9 μC .
1. Calculate the magnitude of the net force on particle 1 due to
the other two.
2. Calculate the direction of the net force on particle 1 due to
the other two.
3. Calculate the magnitude of the net force on particle...

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