A roller coaster of mass 80.0 kg is moving with a speed of 20.0
m/s at position A as shown in the
figure. The vertical height above ground level at position A is 200
m. Neglect friction.
a. What is the total mechanical energy of the roller coaster at
point A?
EA =
b. What is the total mechanical energy of the roller coaster at
point B?
EB =
c. What is the speed of the roller coaster at point B?
vB =
d. What is the speed of the roller coaster at point C?
vC=
Homework Answers
![Aus @ ME = mgh + 2 mu (ME) 80*9.8 *200 + £ x 80 x (20)? (ME)A- 172800] 6 fearso only conservative forces acting. Mechanical e](http://img.homeworklib.com/questions/ba466ef0-d84a-11ea-9640-adbc963ef7bc.png?x-oss-process=image/resize,w_560)
Add Answer to:
A roller coaster of mass 80.0 kg is moving with a speed of 20.0
m/s at...
Suppose there is no friction on a roller coaster, a man of 80 Kg mass decides...
Suppose there is no friction on a roller coaster, a man of 80 Kg mass decides to skate on this roller coaster, the man is located at the highest point that is 32 m high, wants to get a speed record when he arrives to the lowest point. Determine: a) How much is the mechanical energy at the highest point, and still not moving? b) How much is the mechanical energy at the lowest point of the roller coaster? c)...
A car of mass 500. kg on a roller coaster ride is raised from the ground...
A car of mass 500. kg on a roller coaster ride is raised from
the ground (horizontal dotted line) to point A as shown in the
diagram above. When the car passes point A, its speed is 5.0 m/s,
and then it rolls freely through the rest of the ride with
negligible friction, passing points B, C, D and E. Note that point
D is the highest portion of a circular loop, and point E is the
lowest portion of...
14-86. The roller-coaster car has a speed of 15 ft/s whe it is at the crest of a vertical parabol...
dynamic
14-86. The roller-coaster car has a speed of 15 ft/s whe it is at the crest of a vertical parabolic track. Determi the car's velocity and the normal force it exe on the track when it reaches point B. Neglect friction and the mass of the wheels. The total weight of the car and the passengers is 350 lb. ne VA 15 ft/s y y-200 (40 000-2) 200 ft 200 ft Prob. 14-86
14-86. The roller-coaster car has a...
Problem 1: Looping. The looping of a roller coaster has the radius R. The roller coaster...
Problem 1: Looping. The looping of a roller coaster has the radius R. The roller coaster starts at rest in height H over the deepest point of the looping (as shown in the figure). Neglect friction and consider the roller coaster as a mass point of mass m. Q.1) Express the total energy of the body. The reference point for the potential energy is at the center of the loop. Q.2) Find the speed of the body at the top...
A 4,500-kg roller coaster cart has a speed of 4.76 m/sm/s when it reaches its first...
A 4,500-kg roller coaster cart has a speed of 4.76 m/sm/s when it reaches its first peak at a 99.0 mm height from the ground level. After descending, it climbs up the second hill which is 84.2 mm above the ground level. How fast is the roller coaster cart at the top of the second hill? Assume there is no friction with the rails and no air resistance during the cart's motion.
A roller coaster has mass 3000.0 kg and needs to make it safely through a vertical...
A roller coaster has mass 3000.0 kg and needs to make it safely through a vertical circular loop of radius 50.0 m. What is the minimum angular momentum, in kg*m^2/s, of the coaster at the bottom of the loop to make it safely through? Neglect friction on the track. Take the coaster to be a point particle.
A roller coaster car of mass 800 kg when released from rest at point A (height...
A roller coaster car of mass 800 kg when released from rest at
point A (height h above the ground) slides along the track and
inside the loop of radius 16.0 m. The car never loses contact with
the track.
A) Draw below a free body diagram for the car the car at the top
of the loop.
B) If the normal force acting on the car at the top is 1500 N,
what is the speed of the car...
In the figure, a frictionless roller coaster car of mass m = 637 kg tops the...
In the
figure, a frictionless roller coaster car of mass m = 637 kg tops the first
hill with speed v0 = 19.3 m/s at
height h = 37.2 m. How much work
does the gravitational force do on the car from that point
to (a) point A, (b) point B, and (c) point C? If the gravitational
potential energy of the car-Earth system is taken to be zero
at C, what is its value when
the car is at...
A 540 kg roller coaster has a speed of 21.0 m/s as it reaches the lowest...
A 540 kg roller coaster has a speed of 21.0 m/s as it reaches the lowest point on the track, which is at the bottom of a vertical curve with a radius of 13.0 m. What is the force of the track on the vehicle at this point?
A car of mass 500. kg on a roller coaster ride is raised from
the ground (horizontal dotted line) to point A as shown in the
diagram above. When the car passes point A, its speed is 5.0 m/s,
and then it rolls freely through the rest of the ride with
negligible friction, passing points B, C, D and E. Note that point
D is the highest portion of a circular loop, and point E is the
lowest portion of...
dynamic
14-86. The roller-coaster car has a speed of 15 ft/s whe it is at the crest of a vertical parabolic track. Determi the car's velocity and the normal force it exe on the track when it reaches point B. Neglect friction and the mass of the wheels. The total weight of the car and the passengers is 350 lb. ne VA 15 ft/s y y-200 (40 000-2) 200 ft 200 ft Prob. 14-86
14-86. The roller-coaster car has a...
Problem 1: Looping. The looping of a roller coaster has the radius R. The roller coaster starts at rest in height H over the deepest point of the looping (as shown in the figure). Neglect friction and consider the roller coaster as a mass point of mass m. Q.1) Express the total energy of the body. The reference point for the potential energy is at the center of the loop. Q.2) Find the speed of the body at the top...
A roller coaster car of mass 800 kg when released from rest at
point A (height h above the ground) slides along the track and
inside the loop of radius 16.0 m. The car never loses contact with
the track.
A) Draw below a free body diagram for the car the car at the top
of the loop.
B) If the normal force acting on the car at the top is 1500 N,
what is the speed of the car...
In the
figure, a frictionless roller coaster car of mass m = 637 kg tops the first
hill with speed v0 = 19.3 m/s at
height h = 37.2 m. How much work
does the gravitational force do on the car from that point
to (a) point A, (b) point B, and (c) point C? If the gravitational
potential energy of the car-Earth system is taken to be zero
at C, what is its value when
the car is at...
Most questions answered within 3 hours.
-
If you’re standing at the bottom of a hill and asked to evaluate
it while being...
asked 33 minutes ago -
1. Which region has taken the lead in the world of
e-waste handling?
a) European Union...
asked 27 minutes ago -
A 8.15- g bullet from a 9-mm pistol has a velocity of 366.0 m/s.
It strikes...
asked 1 hour ago -
The outstanding bonds of Alpha Extracts have a yield to maturity
of 7.4 percent and a...
asked 1 hour ago -
The Problem: The Case of the Harmonizing Vacations
Your CEO is exploring partnering with a European...
asked 3 hours ago -
A chemical equation is balanced by adding coefficients in front
of some formulas so that the...
asked 3 hours ago -
From the literature (reference your sources): What are the
lattice parameters of calcite and aragonite? Why...
asked 3 hours ago -
Your system is rejecting the question am asking which is
preceded by a case study. It...
asked 4 hours ago -
3. On January 2, 2000, Larry creates a trust with himself as
trustee. Larry as trustee...
asked 4 hours ago -
A member of the volleyball team spikes the ball. During this
process, she changes the velocity...
asked 4 hours ago -
Are adult gamers less likely to use a gaming console (Xbox,
PlayStation, Wii, etc...) than teen...
asked 5 hours ago -
The University of
Texas recently reported that 43% of college students aged 18-24
would spend their...
asked 5 hours ago