Inez is putting up decorations for her sister’s quinceañera (fifteenth birthday party). She ties three light silk ribbons together to the top of a gateway and hangs a rubber balloon from each ribbon (Fig. P23.88). To include the effects of the gravitational and buoyant forces on it, each balloon can be modeled as a particle of mass 2.00 g, with its center 50.0 cm from the point of support. Inez rubs the whole surface of each balloon with her woolen scarf, making the balloons hang separately with gaps between them. Looking directly upward from below the balloons, Inez notices that the centers of the hanging balloons from a horizontal equilateral triangle with sides 30.0 cm long. What is the common charge each balloon carries? Figure P23.88
Inez is putting up decorations for her sister’s quinceañera (fifteenth birthday party). She ties three light silk ribbons together to the top of a gateway and hangs a rubber balloon from each ribbon (Fig. P23.88). To include the effects of the gravitational and buoyant forces on it, each balloon can be modeled as a particle of mass 2.00 g, with its center 50.0 cm from the point of support. Inez rubs the whole surface of each balloon with her woolen scarf, making the balloons hang separately with gaps between them. Looking directly upward from below the balloons, Inez notices that the centers of the hanging balloons from a horizontal equilateral triangle with sides 30.0 cm long. What is the common charge each balloon carries? Figure P23.88
Solution Summary: The author explains the common charge on each balloon, and the diagram for the equilateral triangle formed by balloons.
Inez is putting up decorations for her sister’s quinceañera (fifteenth birthday party). She ties three light silk ribbons together to the top of a gateway and hangs a rubber balloon from each ribbon (Fig. P23.88). To include the effects of the gravitational and buoyant forces on it, each balloon can be modeled as a particle of mass 2.00 g, with its center 50.0 cm from the point of support. Inez rubs the whole surface of each balloon with her woolen scarf, making the balloons hang separately with gaps between them. Looking directly upward from below the balloons, Inez notices that the centers of the hanging balloons from a horizontal equilateral triangle with sides 30.0 cm long. What is the common charge each balloon carries?
In preparation for an experiment that you will do in your introductory nuclear physics lab, you are shown the inside of a Geiger tube. You measure the radius and the length
of the central wire of the Geiger tube to be 2.0 x 10-4 m and 1.2 x 10-1 m, respectively. The outer surface of the tube is a conducting cylindrical shell that has an inner
radius of 1.5 x 10-2 m. The shell is coaxial with the wire and has the same length (0.12 m).
(a) Calculate the capacitance of your tube, assuming that the gas in the tube has a dielectric constant of 1.00.
F
(b) Calculate the value of the linear charge density on the wire when the potential difference between the wire and shell is of 1.20 kV.
C/m
Two plane parallel plates A and B situated in a vacuum at a distance of 3 cm. An
electron starts from rest at the negative plate and reaches the half-way between plates
after 4.8 x 10-9 s. Calculate
(i) the impact velocity.
(ii) the time the electron takes to reach a speed of 7.5 x 106 m/s.
(iii) the position of the electron after 3.6 x 10-9 s.
Solve for the poles of the given system if the transfer function is X(s)/F(s).
6 N/m
1.5 kg
+ f(1)
2N-s/m
FIGURE 6
O (2/3) + j1.8856; -(2/3) - j1.8856
O -3.333 + j1.6667; -3.333 - j1.6667
O (1/3) + j4.2132; -(1/3) - j4.2132
O -2.111 + j6.3232; -2.111 - jó.3232
Chapter 23 Solutions
Physics for Scientists and Engineers, Technology Update (No access codes included)
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