A submarine climbs at an angle of 30° above the horizontal with a heading to the northeast. If its speed is 20 knots, find the components of the velocity in the east, north, and vertical directions. Let the unit vectors i, j, and k point east, north, and upward, respectively. Sketch a vector describing the velocity of the submarine. Choose the correct graph below. O A. B. up up up 30° 20 knots 20 knots north 30° north 30° north east east east 20 knots The components of the velocity are knots to the east, knots to the north, and knots upward.
A submarine climbs at an angle of 30° above the horizontal with a heading to the northeast. If its speed is 20 knots, find the components of the velocity in the east, north, and vertical directions. Let the unit vectors i, j, and k point east, north, and upward, respectively. Sketch a vector describing the velocity of the submarine. Choose the correct graph below. O A. B. up up up 30° 20 knots 20 knots north 30° north 30° north east east east 20 knots The components of the velocity are knots to the east, knots to the north, and knots upward.
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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Transcribed Image Text:A submarine climbs at an angle of 30° above the horizontal with a heading to the northeast. If its speed is 20 knots, find the components of the velocity in the east,
north, and vertical directions.
Let the unit vectors i, j, and k point east, north, and upward, respectively. Sketch a vector describing the velocity of the submarine. Choose the correct graph below.
O A.
В.
C.
up
up
up
30°
30°
20 knots
20 knots
y
north
30°
-y
north
north
east
east
east
20 knots
knots to the north, and
knots upward.
The components of the velocity are
(Type exact answers.)
knots to the east,
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