Question
In: Physics
A railroad car of mass 35000 kg moving at 4.00 m/s collides and couples with two...
A railroad car of mass 35000 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 2.00 m/s.
a) What is the speed of the three coupled cars after the collision?
b) How much kinetic energy is lost in the collision?
Solutions
genius_generous answered 2 years agoRelated Solutions
A railroad car of mass 18800 kg moving at 3.85 m/s collides and couples with two...
A railroad car of mass 18800 kg moving at
3.85 m/s collides and couples with two coupled railroad cars, each
of the same mass as
the single car and moving in the same direction at 2.31 m/s.
How much kinetic energy is lost in the collision?
Answer in units of J.
A railroad car of mass 2.20 ✕ 104 kg moving at 5.00 m/s collides and couples...
A railroad car of mass 2.20 ✕ 104 kg moving at 5.00
m/s collides and couples with two coupled railroad cars, each of
the same mass as the single car and moving in the same direction at
1.20 m/s.
(a) What is the speed of the three coupled cars after the
collision?
_________________m/s
(b) How much kinetic energy is lost in the collision?
________________J
A railroad car of mass 3.10 ✕ 10^4 kg moving at 3.50 m/s collides and couples...
A railroad car of mass 3.10 ✕ 10^4 kg moving at 3.50 m/s
collides and couples with two coupled railroad cars, each of the
same mass as the single car and moving in the same direction at
1.20 m/s.
(a) What is the speed of the three coupled cars after the
collision?
__m/s
(b) How much kinetic energy is lost in the collision?
__J
A railroad car moving at a speed of 3.20 m/s overtakes, collides, and couples with two...
A railroad car moving at a speed of 3.20 m/s overtakes,
collides, and couples with two coupled railroad cars moving in the
same direction at 1.20 m/s. All cars have a mass of mass 1.10 105
kg. Determine the following.
(a) speed of the three coupled cars after the collision____
(Give your answer to at least two decimal places.) m/s
(b) kinetic energy lost in the collision ___ J
2. A cue ball at rest on a frictionless pool table...
A 1200-kg car moving at 25 m/s suddenly collides with a stationary car of mass 1,002 If the...
A 1200-kg car moving at 25 m/s suddenly collides with
a stationary car of mass 1,002 If the two vehicles lock
together, what energy was lost to heat?
A 1700 kg car moving east at 17 m/s collides with a 1800 kg car moving...
A 1700 kg car moving east at 17 m/s collides with a 1800 kg car
moving south at 20 m/s, and the two cars stick together. Consider
east the positive x-direction and north the positive
y-direction.
a) What is the x-component of the initial momentum before the
collision? ( -7100 kg·m/s, 64900 kg·m/s or 28900 kg·m/s)
b) What is the y-component of the initial momentum before the
collision? (-36000 kg·m/s, -7100 kg·m/s, 64900 kg·m/s or 36000
kg·m/s)
c) What is...
A 1410-kg car moving east at 17.0 m/s collides with a 1880-kg car moving south at...
A 1410-kg car moving east at 17.0 m/s collides with a 1880-kg
car moving south at 15.0 m/s, and the two cars connect
together.
a) What is the magnitude of the velocity of the cars right after
the collision? (m/s)
b) What is the direction of the cars right after the collision?
Enter the angle in degrees where positive indicates north of east
and negative indicates south of east. (°)
c) How much kinetic energy was converted to another form...
A 2 kg mass moving to the right at 10 m/s collides elastically with a 2.4...
A 2 kg mass moving to the right at 10 m/s collides elastically
with a 2.4 kg mass moving to the left at 8.33 m/s. After the
collision the 2 kg mass moved at a speed vgf in a direction of 30
degrees and the 2.4 kg object at a speed vbf in a direction 30
degrees south of west.
(5 pts) a. What is the difference between an elastic and an
inelastic collision?
(15 pts) b. Find the velocity...
A mass is moving at 10 m/s in the +x direction and it collides in a...
A mass is moving at 10 m/s in the +x direction and it collides
in a perfectly elastic collision with a mass of 4 kg moving in the
-x direction. The collision takes places in 0.22 seconds and after
the collision the mass that was moving in the +x direction is
moving in the -x direction at 8 m/s and the mass that was moving in
the -x direction is moving in the +x direction at 14 m/s. What is...
A mass is moving at 10 m/s in the +x direction and it collides in a...
A mass is moving at 10 m/s in the +x direction and it collides
in a perfectly elastic collision with a mass of 2 kg moving in the
-x direction. The collision takes places in 0.21 seconds and after
the collision the mass that was moving in the +x direction is
moving in the -x direction at 9 m/s and the mass that was moving in
the -x direction is moving in the +x direction at 13 m/s. What is...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- How would you show two linked lists are equal? (Java for Data Structures and Algorithms)
- Exercise 15-7 Crawford Corporation incurred the following transactions. 1. Purchased raw materials on account $46,600. 2....
- What is a three-tiered client-server architecture? (operating system)
- construct a 4 bit-adder with 4 full adders.
- The Morton Supply Company produces clothing, footwear, and accessories for dancing and gymnastics. They produce three...
- Write a program that prompts the user to enter a 3 x 3 matrix of double...
- Mary has standard indifference curves (convex). She always buys 3 pounds of coffee each month. Even...
ADVERTISEMENT