2/129 A meteor Pis tracked by a radar observatory on the earth at O. When the meteor is directly overhead (0 = 90°), the following observations are recorded: r = 80 km, i =- 20 km /s, and O = 0.4 rad /s. (a) Determine the speed v of the meteor and the angle B which its velocity vector makes with the horizontal. Neglect any effects due to the earth's rotation. (b) Repeat with all given quantities remaining the same, except that 0 75°. PROBLEM 2/129 Answer (a) v = 37.7 km/s, ß = 32.0° (b) v = 37.7 km/s, ß = 17.01° %3! %3! %3D

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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2/129 A meteor Pis tracked by a radar observatory on the earth at O. When the meteor is directly
overhead (0 = 90°), the following observations are recorded: r = 80 km, i =- 20 km /s, and
O = 0.4 rad /s. (a) Determine the speed v of the meteor and the angle B which its velocity vector makes
with the horizontal. Neglect any effects due to the earth's rotation. (b) Repeat with all given quantities
remaining the same, except that 0 75°.
PROBLEM 2/129
Answer
(a) v = 37.7 km/s, ß = 32.0°
(b) v = 37.7 km/s, ß = 17.01°
%3!
%3!
%3D
Transcribed Image Text:2/129 A meteor Pis tracked by a radar observatory on the earth at O. When the meteor is directly overhead (0 = 90°), the following observations are recorded: r = 80 km, i =- 20 km /s, and O = 0.4 rad /s. (a) Determine the speed v of the meteor and the angle B which its velocity vector makes with the horizontal. Neglect any effects due to the earth's rotation. (b) Repeat with all given quantities remaining the same, except that 0 75°. PROBLEM 2/129 Answer (a) v = 37.7 km/s, ß = 32.0° (b) v = 37.7 km/s, ß = 17.01° %3! %3! %3D
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