(a) A rod of length 12 cm moves with its ends always touching the coordinate axes. Determine the equation ofthe locus of a point P on the rod, which is 3 cmfrom the end in contact with the x-axis. (b) The first artificial satellite to orbit the earth was Sputnik I. Its highest point above earth’s surface was 947 km, and its lowest point was 228 km. The center of the earth was at one focus of the elliptical orbit. The radius of the earth is 6378 km. Find the eccentricity ofthe orbit.
(a) A rod of length 12 cm moves with its ends always touching the coordinate axes. Determine the equation ofthe locus of a point P on the rod, which is 3 cmfrom the end in contact with the x-axis. (b) The first artificial satellite to orbit the earth was Sputnik I. Its highest point above earth’s surface was 947 km, and its lowest point was 228 km. The center of the earth was at one focus of the elliptical orbit. The radius of the earth is 6378 km. Find the eccentricity ofthe orbit.
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(a) A rod of length 12 cm moves with its ends always touching the coordinate axes.
Determine the equation ofthe locus of a point P on the rod, which is 3 cmfrom the end in contact with the x-axis.
(b) The first artificial satellite to orbit the earth was Sputnik I. Its highest point above earth’s
surface was 947 km, and its lowest point was 228 km. The center of the earth was at one
focus of the elliptical orbit. The radius of the earth is 6378 km. Find the eccentricity ofthe
orbit.
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