A rollercoaster is traveling at a speed of 12 m/s when it enters a downward portion...
A rollercoaster is traveling at a speed of 12 m/s when it enters a downward portion of the track shaped like a circle of radius 15 meters. Neglet friction between the rollercoaster and the track.
(a)
Draw a free-body diagram for a rider inside the roller coaster when she is at an arbitrary angle ? on the circular portion of the track. Approximate the rider as ablock sitting on a surface with sufficient friction to keep her from sliding.
(b)
At what angle ? does the normal force on the rider equal half of her weight?
Homework Answers
Add Answer to:
A rollercoaster is traveling at a speed of 12 m/s when it enters a downward
portion...
The Sidewinder is a shuttle type steel rollercoaster. The rollercoaster cart starts at the bottom of...
The Sidewinder is a shuttle type steel rollercoaster. The rollercoaster cart starts at the bottom of the frictionless track and is accelerated from a stand still over a distance of 7 meters. Then the cart enters the loop, rises to the top with just enough velocity to keep from stalling at the top of the loop. Gaining velocity the cart finishes the loop, bottoms out, and then rises up the vertical segment of the track. After stalling out at a...
10. An automobile, traveling at a constant speed of 25 m/s, enters a 90° curve and...
10. An automobile, traveling at a constant speed of 25 m/s, enters a 90° curve and emerges from this curve 68 later. What are the x and y components of average acceleration during this time interval? [Hint: Av, 0 m/s - 25 m/s -25 m/s, Avy - 25 m/s - 0 m/s - 25 m/s.az - Av, /t, a, Av, /t] 11. While jogging this morning you encountered a circular track. As you finished one round along the track with...
niform circular motion has a uniform speed v and carries an acceleration v-sq/radius such that the...
niform circular motion has a uniform speed v and carries an acceleration v-sq/radius such that the direction would change to give a circular path or trajectory raction for the case of satellite, contact force for the case of roller coaster, a string tension acting on a circulating blob, holding etc. The force to maintain the acceleration or the force causing the acceleration could be gravitational 6.67E-11 N meter-sa/ kg-sq Gravitational attraction F Gm1m2/distance/distance with G Kinetic equation vf'vf vo v+2a...
10. An automobile, traveling at a constant speed of 25 m/s, enters a 90° curve and emerges from this curve 68 later. What are the x and y components of average acceleration during this time interval? [Hint: Av, 0 m/s - 25 m/s -25 m/s, Avy - 25 m/s - 0 m/s - 25 m/s.az - Av, /t, a, Av, /t] 11. While jogging this morning you encountered a circular track. As you finished one round along the track with...
niform circular motion has a uniform speed v and carries an acceleration v-sq/radius such that the direction would change to give a circular path or trajectory raction for the case of satellite, contact force for the case of roller coaster, a string tension acting on a circulating blob, holding etc. The force to maintain the acceleration or the force causing the acceleration could be gravitational 6.67E-11 N meter-sa/ kg-sq Gravitational attraction F Gm1m2/distance/distance with G Kinetic equation vf'vf vo v+2a...
Most questions answered within 3 hours.
-
A 79-Ω loudspeaker, a 8.0-Ω loudspeaker, and a 3.7-Ω loudspeaker
are connected in parallel across the...
asked 21 minutes ago -
If X has a normal distribution with mean µ =
12 and variance σ2 = 9,...
asked 29 minutes ago -
An example of an operational taxonomic unit
(OTU) is
a. Multiple sequence alignment.
b. Protein sequence....
asked 31 minutes ago -
Electrons flow through a 2.7-mm-diameter aluminum wire at
2.5×10−4 m/s .
How many electrons move through...
asked 31 minutes ago -
For a recent year, McDonald’s (MCD)
company-owned restaurants had the following sales and expenses (in
millions):...
asked 30 minutes ago -
In a sample of 15 men, the mean height was 171 cm. In a sample
of...
asked 32 minutes ago -
In this exercise, we will be refactoring a working program. Code
refactoring is a process to...
asked 2 hours ago -
3
researchers at Cambrige looked at 5,000 firms in Englans and found
that, in terms of...
asked 1 hour ago -
why it is important and how it integrates within ERP? And what
the core challenges of...
asked 3 hours ago -
A strawberry farmer determines that the average weight of
individual strawberries produced by plants in his...
asked 4 hours ago -
Chargaff's results yielded a molar ratio of 0.400 for A to G in
avian tubercle bacillus...
asked 6 hours ago -
Which of the following binds ATP/ADP?
a. microfilaments
b. microtubules
c. intermediate filaments
d. microfilaments and...
asked 6 hours ago