Problems and ExamplesDeighton, Bell and Company, 1862 - 141 strán (strany) |
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Strana 96
... reflected at the curve ; determine the latus rectum of the para- bola described . 4. The position of a ball on a triangular billiard table being given ; it is required to shew that there are three direc- tions , in any one of which if ...
... reflected at the curve ; determine the latus rectum of the para- bola described . 4. The position of a ball on a triangular billiard table being given ; it is required to shew that there are three direc- tions , in any one of which if ...
Strana 97
... reflected vertically upwards . 8. If the modulus of elasticity be , at what angle must a ball be incident on a hard plane , that the angle between the directions before and after impact may be a right angle ? 9. An inelastic ball is ...
... reflected vertically upwards . 8. If the modulus of elasticity be , at what angle must a ball be incident on a hard plane , that the angle between the directions before and after impact may be a right angle ? 9. An inelastic ball is ...
Strana 125
... , when so much water has been poured in that the centre of gravity of the vessel and the water is in the lowest possible position , it will be in the surface of the water . OPTICS . REFLECTION AT A PLANE SURFACE . 1. SHEW HYDROSTATICS .
... , when so much water has been poured in that the centre of gravity of the vessel and the water is in the lowest possible position , it will be in the surface of the water . OPTICS . REFLECTION AT A PLANE SURFACE . 1. SHEW HYDROSTATICS .
Strana 126
... reflected by a plane surface to another , is shorter than it would have been according to any other law of reflection . 2. A ray of light is incident from a point A , and reflected at a given plane surface to another point B ; supposing ...
... reflected by a plane surface to another , is shorter than it would have been according to any other law of reflection . 2. A ray of light is incident from a point A , and reflected at a given plane surface to another point B ; supposing ...
Strana 127
... reflected rays . 5. Two parallel rays are incident on a spherical reflector at the same side of the axis ; shew that the angle between the reflected rays is equal to twice the difference between the angles of incidence . 6. Find the ...
... reflected rays . 5. Two parallel rays are incident on a spherical reflector at the same side of the axis ; shew that the angle between the reflected rays is equal to twice the difference between the angles of incidence . 6. Find the ...
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2nd Edition 3rd Edition 4th Edition acceleration tending arithmetical arithmetical mean arithmetical series bisected centre of gravity chord circle concave cone Conic Sections conjugate convex lens Crown 8vo cylinder determine diameter directrix distance drawn Elementary ellipse English equal equation extremity F. A. Paley Fcap feet Find the number find the value fluid focal length foci focus geometrical progression given point given weight harmonic mean horizontal inches incident inclined plane inscribed intersection Latin latus rectum locus luminous point middle point mirror Multiply parabola parallel particle describes passing perpendicular position Post 8vo pressure prism projected prove pully quantity radii radius ratio reflected refracting respectively shew sides sin² specific gravity sphere spherical square straight line string subtends surface tangent tower velocity vertex vertical
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