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16 A) A cylindrical pencil is sharpened to produce a perfect cone at one end with
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Q1
A cylindrical pencil is sharpened to produce a perfect cone at one end with no over all loss of its length. The diameter of the pencil is 1cm and the length of the conical portion is 2cm. Calculate the volume of the shavings. Give your answer correct to two places if it is in decimal [use π = 355/113].
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Q2
a cylendrical pencil is sharpened to produce a sharpened cone at one end with no overall loss of length. if the diameter of the pencil is 1cm and the length of the conical portion is 2 cm. calculate the volume of shaving.
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Q3
A cylindrical pencil sharpened at one end is a combination of
(a) a cylinder and a cone
(b) a cylinder and frustum of a cone
(c) a cylinder and a hemisphere
(d) two cylinders
(a) a cylinder and a cone
(b) a cylinder and frustum of a cone
(c) a cylinder and a hemisphere
(d) two cylinders
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Q4
A cylindrical pencil is sharpened to produce a perfect cone at one end with no loss in the total length of the pencil.
a) If the diameter of the pencil is 1 cm and the length of the conical portion is 2 cm, calculate the amount of shavings up to 2 decimals places.
b) If the diameter of the graphite used is 2 mm and the length of the pencil is 10 cm, find the volume of wood used in the pencil before sharpening. (Take pi=3.14)
a) If the diameter of the pencil is 1 cm and the length of the conical portion is 2 cm, calculate the amount of shavings up to 2 decimals places.
b) If the diameter of the graphite used is 2 mm and the length of the pencil is 10 cm, find the volume of wood used in the pencil before sharpening. (Take pi=3.14)
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Q5
A cylindrical pencil sharpened at one edge is the combinations of
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