17. A tiny, 0.80-g ball carries charge of - 8.0 µC. It is suspended by a...
17. A tiny, 0.80-g ball carries charge of - 8.0 µC. It is suspended by a thread in a downward 250 N/C electric field. What is the tension in the thread? [Note, 1 g = 1x 10-3 kg, 1 C = 1 x 10-6 C]
(A)7.84 x 10-3 N (B) 2.00 x 10-3 N (C) 9.84 x 10-3 N (D) 5.84 x 10-3 N
18. A uniform charged insulating rod is bent into the form of a semicircle of radius 14.0 cm. The rod has a total charge of -7.50 C.
Determine: (a) The charge density (in C/m). (b) The electric field at the center of the semicircle (magnitude and direction).
Homework Answers
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17. A tiny, 0.80-g ball carries charge of - 8.0 µC. It is
suspended by a...
A tiny, 0.60-g ball carries a charge of magnitude 8.0 µC. It is suspended by a...
A tiny, 0.60-g ball carries a charge of magnitude 8.0 µC. It is suspended by a thread in a downward 300 N/C electric field. What is the tension in the thread if the charge on the ball is (a) positive (b) negative? (a) 5.9 N (b) 8.3 mN (a) 2.4 kN (b) 5.9 N (a) 8.3 mN (b) 3.5 mN (a) 3.5 mN (b) 2.4 kN
A tiny, 0.60 g ball carries a charge of magnitude 8 μC. It is suspended by a thread in a downward electric field of intensity 300 N/C. What is the tension in the thread if the charge on the ball is negative?
A tiny, 0.60 g ball carries a charge of magnitude 8 μC. It is suspended by a thread in a downward electric field of intensity 300 N/C. What is the tension in the thread if the charge on the ball is negative?
A uniformly charged insulating rod of length 10.0 cm is bent into the shape of a semicircle as...
A
uniformly charged insulating rod of length 10.0 cm is bent into the shape of a
semicircle as shown in the figure below. The rod has a total charge
of −7.50 µC.
(a) Find the magnitude of the electric field at O,
the center of the semicircle.
=
N/C.
A uniformly charged insulating rod of length 13.0 cm is bent into the shape of a...
A uniformly charged insulating rod of length 13.0 cm is bent
into the shape of a semicircle as shown in the figure below. The
rod has a total charge of ?7.50 µC.
(a) Find the magnitude of the electric field at O, the center of
the semicircle. N/C
(b) Find the direction of the electric field at O, the center of
the semicircle. to the left to the right upward downward into the
page out of the page?
A uniformly charged insulating rod of length 11.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -7.50 C.
A uniformly charged insulating rod of length 11.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -7.50 C. (a) Find the magnitude of the electric field CIn N/C) at O, the center of the semicircle. (b) Find the direction of the electric field at O, the center of the semicircle. (c) What if? What would be the magnitude of the electric field (in N/C) at O if the top...
A uniformly charged insulating rod of length 10.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of-7.50 μC.
A uniformly charged insulating rod of length 10.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of-7.50 μC.(a) Find the magnitude of the electric fleld (in N/C) at O, the center of the semicircle.(b) Find the direction of the electric field at O, the center of the semicircle. (c) what if? what would be the magnitude of the electric field (in N/C) at O if the top half of...
A uniformly charged insulating rod of length 12.0 cm is bent into...
A uniformly charged insulating rod of length 12.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of-7.50 μC. (a) Find the magnitude of the electric field (in N/C) at o, the center of the semicircle. (b) Find the direction of the electric field at O, the center of the semicircle.(c) What if? what would be the magnitude of the electric field (in N/C) at O if the top half...
Part A Situation. A 50 g insulating sphere carries a charge Q- 60 μC and is...
Part A Situation. A 50 g insulating sphere carries a charge Q- 60 μC and is suspended by a silk thread from a fixed point. An external electric field which is uniform and vertical is applied. In the situation above, the applied electric field has a magnitude of 3000 N/c and is directed downward. The tension in the thread is closest to: 0.4N 0.7N 0.3N 0.5N 0.2N Correct
A small object of mass 3.80 g and charge -9 µC is suspended motionless above the...
A small object of mass 3.80 g and charge -9 µC is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. What is the magnitude and direction of the electric field?(1.04x103N/c)
A
uniformly charged insulating rod of length 10.0 cm is bent into the shape of a
semicircle as shown in the figure below. The rod has a total charge
of −7.50 µC.
(a) Find the magnitude of the electric field at O,
the center of the semicircle.
=
N/C.
A uniformly charged insulating rod of length 13.0 cm is bent
into the shape of a semicircle as shown in the figure below. The
rod has a total charge of ?7.50 µC.
(a) Find the magnitude of the electric field at O, the center of
the semicircle. N/C
(b) Find the direction of the electric field at O, the center of
the semicircle. to the left to the right upward downward into the
page out of the page?
A uniformly charged insulating rod of length 12.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of-7.50 μC. (a) Find the magnitude of the electric field (in N/C) at o, the center of the semicircle. (b) Find the direction of the electric field at O, the center of the semicircle.(c) What if? what would be the magnitude of the electric field (in N/C) at O if the top half...
Part A Situation. A 50 g insulating sphere carries a charge Q- 60 μC and is suspended by a silk thread from a fixed point. An external electric field which is uniform and vertical is applied. In the situation above, the applied electric field has a magnitude of 3000 N/c and is directed downward. The tension in the thread is closest to: 0.4N 0.7N 0.3N 0.5N 0.2N Correct
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