17. What is the vector sum of a vector A with magnitude 8 at 60°, and vector B with magnitude 4 at 150° a) Magnitude = 12; direction = 86° b) Magnitude = 9; direction= 86° c) Magnitude = 9; direction = 60° d) Magnitude = 9; direction= 150° e) Magnitude = 9; direction = 210° 18 Vou trovel northeast (G e 450) ot 2.0 mls for 10s Then Vou trovel southeast (ie 45°) at the
17. What is the vector sum of a vector A with magnitude 8 at 60°, and vector B with magnitude 4 at 150° a) Magnitude = 12; direction = 86° b) Magnitude = 9; direction= 86° c) Magnitude = 9; direction = 60° d) Magnitude = 9; direction= 150° e) Magnitude = 9; direction = 210° 18 Vou trovel northeast (G e 450) ot 2.0 mls for 10s Then Vou trovel southeast (ie 45°) at the
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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how do I solve these two questions?

Transcribed Image Text:17. What is the vector sum of a vector A with magnitude 8 at 60°, and vector B with magnitude 4
at 150°
a) Magnitude = 12; direction = 86°
b) Magnitude = 9; direction = 86°
c) Magnitude = 9; direction = 60°
d) Magnitude = 9; direction = 150°
e) Magnitude = 9; direction = 210°
18 Vou travel northeast Ge 45°) at 2.0 m/s for 10 s Then vou travel southeast (ie
45°) at the

Transcribed Image Text:18. You travel northeast (i.e. 45°) at 2.0 m/s for 10 s. Then you travel southeast (i.e, -45°) at the
same speed for 20 s. What is your position relative to your starting point?
a) 42i - 7.1j
b) 42i + 42j
c) -42i - 14j
d) -14i + 14j
e) 42i - 14j
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