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semicircle    
n. 半圆形

半圆形

semicircle
n 1: a plane figure with the shape of half a circle [synonym:
{semicircle}, {hemicycle}]

Semicircle \Sem"i*cir`cle\, n.
1.
(a) The half of a circle; the part of a circle bounded by
its diameter and half of its circumference.
(b) A semicircumference.
[1913 Webster]

2. A body in the form of half of a circle, or half of a
circumference.
[1913 Webster]

3. An instrument for measuring angles.
[1913 Webster]


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  • Solved A wire forms a semicircle of radius R = 9. 26 cm and - Chegg
    Question: A wire forms a semicircle of radius R = 9 26 cm and two straight (radial) segments of length L = 13 1 cm The wire carries current i = 34 8 mA Find the magnitude and direction of the magnetic field produced by this current carrying wire at the semicircle's center of curvature, point c
  • Solved A thin glass rod is a semicircle of radius R, see - Chegg
    A thin glass rod is a semicircle of radius R, see the figure (Figure 1) A charge is nonuniformly distributed along the rod with a linear charge density given by λ = λ 0sin θ , where λ 0 is a positive constant Point P is at the center of the semicircle Part A Find the electric field E⃗ (magnitude and direction) at point P [Hint: Remember sin (− θ)=−sin θ , so the two halves of
  • Solved A semicircle of radius a is in the first and second - Chegg
    Question: A semicircle of radius a is in the first and second quadrants, with the center of curvature at the origin Positive charge +Q is distributed uniformly around the left half of the semicircle, and negative charge −Q is distributed uniformly around the right half of the semicircle in the following figure
  • Solved A semicircle of radius a is in the first and second - Chegg
    A semicircle of radius a is in the first and second quadrants, with thecenter of curvature at the origin Positive charge +Q is distributeduniformly around the left half of the semicircle, and negative charge -Qis distributed uniformly around the right half of the semicircle in thefollowing figure
  • Solved A Norman window has the outline of a semicircle on - Chegg
    A Norman window has the outline of a semicircle on top of a rectangle, as shown in the figure Suppose there is 10+π meters of wood trim available Discuss why a window designer might want to maximize the area of the window Find the dimensions of the rectangle (and, hence, the semicircle) that will maximize the area of the window
  • Solved The semicircle shown (Figure 3) has a moment of - Chegg
    Question: The semicircle shown (Figure 3) has a moment of inertia about the x axis of 75 0 ft4 and a moment of inertia about the y axis of 75 0 ft4 What is the polar moment of inertia about point C (the centroid)?
  • Solved Problem 4: A thin glass rod is bent into a semicircle - Chegg
    Question: Problem 4: A thin glass rod is bent into a semicircle of radius r A charge +Q is uniformly distributed along the upper half, and a charge −Q is uniformly distributed along the lower half, as shown in the figure
  • Solved A line of positive charge is formed into a semicircle - Chegg
    Question: A line of positive charge is formed into a semicircle of radius R = 70 0 cm, as shown in the figure below The charge per unit length along the semicircle is described by the expression lambda = lambda_0 cos theta The total charge on the semicircle is 12 0 mu C Calculate the total force on a charge of 6 00 mu C placed at the center of curvature
  • Solved A wire in the shape of a semicircle with radius a is - Chegg
    A wire in the shape of a semicircle with radius a is oriented in the yz - plane with its center of curvature at the origin If the current in the wire is I, calculate the x-component of the magnetic field produced at point P, a distance x out along the x-axis
  • Solved The curved part of this figure is a semicircle. What - Chegg
    Math Geometry Geometry questions and answers The curved part of this figure is a semicircle What is the best approximation for the area of this figure? 24+9 125π units² 24+18 25π units² 12+9 125π units² 12+18 25π units²





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