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4. Arc Length (4 marks total) (a) (4 marks). The figure below shows a telephone wire...
5. Further Applications of Integration (a) Find the centroid of the region bounded by the curves...
5. Further Applications of Integration (a) Find the centroid of the region bounded by the curves y = 9 In 2x, y = 0, and x = { (b) Find the volume of the solid obtained by rotating the region from part (a) about the x-axis. () A telephone wire hanging between two telephone poles takes the shape of a catenary with equation y =C+acosh Suppose the two telephone poles are 50 ft apart, and the length of the wire...
The distance between two telephone poles is d = 48.0 m. When a 0.600-kg bird lands...
The distance between two telephone poles is d = 48.0 m. When a 0.600-kg bird lands on the telephone wire midway between the poles, the wire sags h = 0.198 m. (a) Draw a free-body diagram of the bird. (b) How much tension does the bird produce in the wire? Ignore the weight of the wire. An object of mass m1 = 3.00 kg placed on a frictionless, horizontal table is connected to a string that passes over a pulley...
The diagram below shows a straight wire carrying a conventional current into the page. The wire...
The diagram below shows a straight wire carrying a conventional
current into the page. The wire is between the poles of a permanent
magnet. The direction of the magnetic force exerted on the wire is:
A. upward. B. to the left. C. downward D. into the page. E. to the
right.
Answer key says C. downward; please explain. Thanks!
7. The diagram below shows a straight wire carrying a conventional current into the page. The wire is between the poles...
Q.7 ( 10 Marks) See the figure below: 9=30 D: 12 cm D Find the arc...
Q.7 ( 10 Marks) See the figure below: 9=30 D: 12 cm D Find the arc length a if Up a
Figure shows a thin nonconducting wire, carrying a total charge of Q = 15.0 nC, uniformly...
Figure shows a thin nonconducting wire, carrying a total charge of Q = 15.0 nC, uniformly distributed over its length, which extends on the x axis of the coordinate system from x = -10 cm to x = + 20 cm. Find the magnitude and direction of the electric field this wire produces at point P on the y axis at y = 10 cm.
A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below.
A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below. (a) Determine the magnetic flux through the loop due to the current I. (b) Suppose the current is changing with time according to I = a + bt, where a and b are constants. Determine the magnitude of the emf that is induced in the loop if...
The circular arc shown in the figure below has a uniform charge per unit length of...
The circular arc shown in the figure below has a uniform charge per unit length of 4.10 x 10 e C m Find the potential at , the center of the circle. 375 V Take R = 1.87 m.) 60.0
A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below
A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below (a) Determine the magnetic flux through the loop due to the current I. (Use any variable stated above along with the following as necessary: μ0 and π.) (b) Suppose the current is changing with time according to I = a + bt, where a and b are...
Question 13 The figure below shows three situations in which a wire loop lies partially inside...
Question 13 The figure below shows three situations in which a wire loop lies partially inside a magnetic field. The magnitude of the magnetic field is either decreasing or increasing, as indicated. Each loop has a battery connect. In which situation is the induced emf and the battery emf in the same direction? 7-0 decreasing i decreasing Tincreasing (0) (a) a) a b) ь c) a and c d) a, b and c e) c Question 14 A wire loop...
See the figure below: O=30 D:12 cm D Find the arc length a if Op =...
See the figure below: O=30 D:12 cm D Find the arc length a if Op = 0 / 4
5. Further Applications of Integration (a) Find the centroid of the region bounded by the curves y = 9 In 2x, y = 0, and x = { (b) Find the volume of the solid obtained by rotating the region from part (a) about the x-axis. () A telephone wire hanging between two telephone poles takes the shape of a catenary with equation y =C+acosh Suppose the two telephone poles are 50 ft apart, and the length of the wire...
The diagram below shows a straight wire carrying a conventional
current into the page. The wire is between the poles of a permanent
magnet. The direction of the magnetic force exerted on the wire is:
A. upward. B. to the left. C. downward D. into the page. E. to the
right.
Answer key says C. downward; please explain. Thanks!
7. The diagram below shows a straight wire carrying a conventional current into the page. The wire is between the poles...
Q.7 ( 10 Marks) See the figure below: 9=30 D: 12 cm D Find the arc length a if Up a
Figure shows a thin nonconducting wire, carrying a total charge of Q = 15.0 nC, uniformly distributed over its length, which extends on the x axis of the coordinate system from x = -10 cm to x = + 20 cm. Find the magnitude and direction of the electric field this wire produces at point P on the y axis at y = 10 cm.
The circular arc shown in the figure below has a uniform charge per unit length of 4.10 x 10 e C m Find the potential at , the center of the circle. 375 V Take R = 1.87 m.) 60.0
Question 13 The figure below shows three situations in which a wire loop lies partially inside a magnetic field. The magnitude of the magnetic field is either decreasing or increasing, as indicated. Each loop has a battery connect. In which situation is the induced emf and the battery emf in the same direction? 7-0 decreasing i decreasing Tincreasing (0) (a) a) a b) ь c) a and c d) a, b and c e) c Question 14 A wire loop...
See the figure below: O=30 D:12 cm D Find the arc length a if Op = 0 / 4
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