Question

Charlie and Alexandra are running around a circular track with
radius 60 meters. Charlie started at the westernmost point of the
track, and, at the same time, Alexandra started at the northernmost
point. They both run counterclockwise. Alexandra runs at 3 meters
per second, and will take exactly 3 minutes to catch up to
Charlie.

Impose a coordinate system with units in meters where the origin is
at the center of the circular track, and give the *x*- and
*y*-coordinates of Charlie after one minute of running.
(Round your answers to three decimal places.)

Answer #1

2. Alex and Charlie start running around a circular track at the
same time. The track has a radius of 160 meters. Alex starts at the
westernmost point and runs counterclockwise, taking 200 seconds to
run one lap. Charlie runs clockwise at 3 meters per second and
passes Alex for the first time after they have been running for 25
seconds.
(a) From when he begins running, how long does it take Charlie
to reach the northern- most point of...

George and Paula are running around a circular track. George
starts at the westernmost point of the track, and Paula starts at
the easternmost point. The illustration below shows their starting
positions and running directions. They start running toward each
other at constant speeds. George runs at 8 feet per second. Paula
takes 50 seconds to run a lap of the track. George and Paula pass
each other after 11 seconds.
After running for 3 minutes, how far east of...

George and Paula are running around a circular track. George
starts at the westernmost point of the track, and Paula starts at
the easternmost point. The illustration below shows their starting
positions and running directions. They start running toward each
other at constant speeds. George runs at 8 feet per second. Paula
takes 50 seconds to run a lap of the track. George and Paula pass
each other after 14 seconds.
After running for 4 minutes, how far east of...

An automobile moves on a circular track of radius 1.04 km. It
starts from rest from the point (x, y) = (1.04 km, 0 km) and moves
counterclockwise with a steady tangential acceleration such that it
returns to the starting point with a speed of 29.2 m/s after one
lap. (The origin of the Cartesian coordinate system is at the
center of the circular track.)
What are the car's position and velocity vectors when it is
one-sixth of the way...

A runner runs around a circular track. He completes one lap at a
time of t = 471 s at a constant speed of v = 3.1
m/s.
What is the radius, r in meters, of the track?
What was the runners centripetal acceleration,
ac in m/s2, during the run?

Fozzie the dog chases Fluffy the cat around the edge of a
circular garden that has a radius of 32 feet. Fozzie starts the
chase running counterclockwise from the 8 o'clock position while
Fluffy starts at the 5 o'clock position and runs counterclockwise
as well.
a. If Fluffy were to remain still, how far would Fozzie have to
run in order to catch Fluffy? Incorrect feet
b. If Fozzie were to remain still, how far would Fluffy have to
run...

Imagine you are driving around a horizontal circular track (such
as a roundabout at an intersection or freeway exit). You are
driving at a constant speed of 12.0 km/h, and your circular path
has a radius of 18.0 meters.
(a) When you are at the northernmost point on the circular track
and driving towards the west, what is your acceleration? Give your
answer in m/s2
The magnitude is m/s2,
and the direction is choose from the drop-down list
South West East North...

A car moves clockwise around a circular path with radius 74.4 m.
The car started from rest at the point farthest to the west on the
path, and has a constant tangential acceleration of 2.50
m/s2.
1, After the car has traveled one-fourth of the circumference,
what is the speed of the car?
2. At this point, what is the radial acceleration component of
the car?
3. At this same point, what is the magnitude of the
total acceleration of the...

A car is traveling around a horizontal circular track with
radius r = 210 m at a constant speed v = 23 m/s as shown. The angle
θA = 23° above the x axis, and the angle θB =
53° below the x axis.
1)
What is the magnitude of the car’s acceleration?
m/s2
Your submissions:
2)
What is the x component of the car’s acceleration when it is at
point A
m/s2
Your submissions:
3)
What is the y...

What tools could AA leaders have used to increase their
awareness of internal and external issues?
???ALASKA AIRLINES: NAVIGATING CHANGE
In the autumn of 2007, Alaska Airlines executives adjourned at
the end of a long and stressful day in the
midst of a multi-day strategic planning session. Most headed
outside to relax, unwind and enjoy a bonfire
on the shore of Semiahmoo Spit, outside the meeting venue in
Blaine, a seaport town in northwest
Washington state.
Meanwhile, several members of...

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