Question

3) A vector a has magnitude 5.0m and is directed east, vector is has magnitude 4.0m and is directed 35 west of north, what are of the magnitude 5 the direction of atba

Answer 1

Page : 49 35 One W usins For Vector A X = 5 , y = 0 For vector B. X = 4 sin35 Y= 4 los 35 x = 2,29 Y = 3.28. Component of A+B. 0 (5+(-2.29), 3.28) (2.71, 3.28) magnitude of A+B = 2.41² +3.282 4.25 4 m 2.713.28 3.28 tan ox= 3.28 2.H x = 50.42

Valt) = att ßt² a = 3 mis p = 0.100 m/s² daw = at t=0 4 x = V2 -V 4t V = 3 +0.10080 = 3 mis V = 3 + 0.100x 5² 5.5 mls at t=5 dau = 5-5-3 5 -0 = 0.5 mls² © Oxidus = 4( 3 +0.1ot) -(0.200 mls)? at dt at to at t=5 axo 9 x 0. 200X0 = 0 0. 20085 = 1nls Velocity time graph VRF 3 +0.loot² Vo=3 V = 3+000x = 3.100 V₂ = 3+0.1008 2 - 3.400 3 = 3+0 100 x3 - 3.900 V4 = 3+ 0.68 *4 4.600 V5 = 55
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