Nadia wants to get to the bus stop as quickly as possible. But The bus stop is across a grassy park, 1500 feet west and 500 feet north of her starting position. Nadia can walk west along the edge of the park on the side walk at a speed of 9 ft/sec. She can also travel though the grass in the park; but only at a rate of 5 ft/sec. a) [] Compute the total time if Nadia walks side walk first then turn 90 degree to grassy field to cross the park to get to the bus stop. BUS STOP Glassy Field = 500ft BUS STOP Sidewalk =1500 ft A=Nadia a) Function: A =Nadia Answer: b)] Compute the total time Nadia takes to the bus stop when she walks diagonally across the park. sec b) Function:
Nadia wants to get to the bus stop as quickly as possible. But The bus stop is across a grassy park, 1500 feet west and 500 feet north of her starting position. Nadia can walk west along the edge of the park on the side walk at a speed of 9 ft/sec. She can also travel though the grass in the park; but only at a rate of 5 ft/sec. a) [] Compute the total time if Nadia walks side walk first then turn 90 degree to grassy field to cross the park to get to the bus stop. BUS STOP Glassy Field = 500ft BUS STOP Sidewalk =1500 ft A=Nadia a) Function: A =Nadia Answer: b)] Compute the total time Nadia takes to the bus stop when she walks diagonally across the park. sec b) Function:
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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![Nadia wants to get to the bus stop as quickly as possible. But The bus stop is across a grassy
park, 1500 feet west and 500 feet north of her starting position.
Nadia can walk west along the edge of the park on the side walk at a speed of 9 ft/sec.
She can also travel though the grass in the park; but only at a rate of 5 ft/sec.
a) [ ...] Compute the total time if Nadia walks side walk first then turn 90 degree to
grassy field to cross the park to get to the bus stop.
BUS
STOP
Glassy
Field = 500ft
BUS
STOP
Sidewalk =1500 ft A=Nadia
a) Function:
A =Nadia
Answer:
b).
] Compute the total time Nadia takes to the bus stop when she walks diagonally
across the park.
b) Function:
sec
Answer:
sec](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb0d90b66-3d5f-498d-9dbf-0608f3662e4d%2F95ae1a0f-8f25-422e-b771-427139c9c8a5%2Fa4vfqv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Nadia wants to get to the bus stop as quickly as possible. But The bus stop is across a grassy
park, 1500 feet west and 500 feet north of her starting position.
Nadia can walk west along the edge of the park on the side walk at a speed of 9 ft/sec.
She can also travel though the grass in the park; but only at a rate of 5 ft/sec.
a) [ ...] Compute the total time if Nadia walks side walk first then turn 90 degree to
grassy field to cross the park to get to the bus stop.
BUS
STOP
Glassy
Field = 500ft
BUS
STOP
Sidewalk =1500 ft A=Nadia
a) Function:
A =Nadia
Answer:
b).
] Compute the total time Nadia takes to the bus stop when she walks diagonally
across the park.
b) Function:
sec
Answer:
sec
Transcribed Image Text:c) Compute the fastest total time Nadia takes to the bus stop if Alania walks side walk first
then turn to grassy field to get to the bus stop.
BUS
STOP
A
for
c) [, Function used f(x):_
d) draw your x on the left figure as what you indicate
e) First derivative function of f(x) above(c).:.
f) show me your work to find your x :
g) 1 Answer: In order to get to the bus stop fastest time, Nadia start from A walk along the side
walk
ft, then walk across the glassy field. This will take minimum time_
sec.
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VIEWStep 2: (a) Total time required by Nadia to reach the bus stop by going through the sidewalk and grass field
VIEWStep 3: (b) Total time Nadia takes to reach the bus stop when she walks diagonally across the park.
VIEWStep 4: (c) Total time function
VIEWStep 5: (d) Figure
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