В(4, 6, 0) (1, 3, 0). А(3, 2, 0) O (0,0, 0) Fig. 1-21 a) 73° b) 75° c) 83° d) 90°

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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В(4, 6, 0)
(1, 3, 0),
A (3, 2, 0)
O|(0, 0, 0)
Fig. 1-21
a) 73°
b) 75°
с) 83°
d) 90°
a
d
Transcribed Image Text:В(4, 6, 0) (1, 3, 0), A (3, 2, 0) O|(0, 0, 0) Fig. 1-21 a) 73° b) 75° с) 83° d) 90° a d
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17. Initial velocity = 5ms-',
final velocity = 36 km h=',
acceleration = 14 ms-2. Find the distance.
%3D
a) 26m
b) 27m
c) 29m
d) 30m
Transcribed Image Text:17. Initial velocity = 5ms-', final velocity = 36 km h=', acceleration = 14 ms-2. Find the distance. %3D a) 26m b) 27m c) 29m d) 30m
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16. Distance = 60 m, final velocity = 8 ms-',
time taken = 12 s. Find the initial velocity.
%3D
a) 1m/s
b) 2m/s
c) 3m/s
d) 4m/s
Transcribed Image Text:16. Distance = 60 m, final velocity = 8 ms-', time taken = 12 s. Find the initial velocity. %3D a) 1m/s b) 2m/s c) 3m/s d) 4m/s
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20. Distance = 132 m, time taken = 12 s,
acceleration = -1 ms-2, Find the final
velocity.
a) 4m/s
b) 5m/s
c) 6m/s
d) 7m/s
Transcribed Image Text:20. Distance = 132 m, time taken = 12 s, acceleration = -1 ms-2, Find the final velocity. a) 4m/s b) 5m/s c) 6m/s d) 7m/s
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20. Distance = 132 m, time taken = 12 s,
acceleration = -1 ms-2, Find the final
velocity.
a) 4m/s
b) 5m/s
c) 6m/s
d) 7m/s
Transcribed Image Text:20. Distance = 132 m, time taken = 12 s, acceleration = -1 ms-2, Find the final velocity. a) 4m/s b) 5m/s c) 6m/s d) 7m/s
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Follow-up Question
18. Acceleration = 0-5 ms-2,
final velocity = 162 km h-',
time taken = 1 minute. Find the initial
velocity.
%3D
a) 14m/s
b) 15m/s
c) 16m/s
d) 17m/s
Transcribed Image Text:18. Acceleration = 0-5 ms-2, final velocity = 162 km h-', time taken = 1 minute. Find the initial velocity. %3D a) 14m/s b) 15m/s c) 16m/s d) 17m/s
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Follow-up Question
19. Acceleration = 2 ms-2,
final velocity = 10 ms-', time taken = 2 s.
Find the distance.
a) 14m
b) 15m
c) 16m
d) 17m
Transcribed Image Text:19. Acceleration = 2 ms-2, final velocity = 10 ms-', time taken = 2 s. Find the distance. a) 14m b) 15m c) 16m d) 17m
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Follow-up Question
d'r
If r =
(t8 + 2t)i – 3e-2tj + 2 sin 5t k, find
dt2
at t=0.
12
-12
O 21
-21
Transcribed Image Text:d'r If r = (t8 + 2t)i – 3e-2tj + 2 sin 5t k, find dt2 at t=0. 12 -12 O 21 -21
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d'r
If r =
(t8 + 2t)i – 3e-2tj + 2 sin 5t k, find
dt2
at t=0.
12
-12
O 21
-21
Transcribed Image Text:d'r If r = (t8 + 2t)i – 3e-2tj + 2 sin 5t k, find dt2 at t=0. 12 -12 O 21 -21
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