. 2.13 When two objects (labeled by subscripts 1 and 2) of masses m, and ma collide, their initial and final velocities (labeled by the subscripts i and f) are related by the principle of conservation of momentum, which states miv1,i + m2v2,i = m1v1,f + m2v2,f. (2.12) In a collision problem, you may wish to replace the subscripts 1 and 2 by the names of the objects, such as "car" and "motorcycle" in the problem to come. Suppose a 1000 kg car traveling at 20.0 m/s to the right crashes into a 550 kg motorcycle traveling at 20.0 m/s to the left. If, after the collision, the car is traveling at 5.0 m/s to the right, at what velocity is the motorcycle traveling? Be careful to use t+ ho oorroot cioens on vour velocities

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter9: Dynamics Of A System Of Particles
Section: Chapter Questions
Problem 9.17P
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Question 2.13 only
... 2.15 Repeat Problem 2.7, but this time suppose the burning building is 3000
answers? To investigate this behavior, create a plot of a vs. d for d between 0.0
1 As a reminder, the graph of a linear function is a straight line, such that the dependent
variable (a, in this case) is proportional to the independent variable (d, in this case) to the first
ft away. Then, repeat the problem again with the burning building 4000 ft away.
Problem you will also need to consider what is the amount of time spent on each
constant velocity, and one for the car having a negative acceleration. To solve the
three parts: One for the car having a positive acceleration, one for the car having
its velocity and decreasing its velocity, how much time does it take for the car
of 70.0 ft/s. Naturally, it needs to leave the previous station at rest and arrive
a maximum safe acceleration of magnitude 4.2 ft/s2 and a maximum safe velocity
this unrealistic Problem, what is the maximum velocity reached by this car?
the final velocity of the first part and the initial velocity of the second part?) In
ation. To solve the
llat is the displacement for each part,
U time for each part, and what is the relationship between
Does the acceleration increase by the same amount between each of the three
to travel between stations? (Hint: You will need to divide this problem into
what is
the
at the next station at rest. If the car spends equal amounts of time increasing
... 2.12 A monorail car needs to travel a total of 2000 ft between stations, and has
you see a car s
ive acceleration
re hitting the c
n?
nd the informatio
recommend co
in the Problem
a Problem than i
nart, and what is the relationship between the final velocity of the first part and
the initial velocity of the third part?)
Solg n
2.13 When two objects (labeled by subscripts 1 and 2) of masses m, and m2
collide, their initial and final velocities (labeled by the subscripts i and f) are
related by the principle of conservation of momentum, which states
Lem?
ceaches.
miv1,i + M2V2,i = M1v1,f + m2v2,f.
(2.12)
In a collision problem, you may wish to replace the subscripts 1 and 2 by the
names of the objects, such as "car" and "motorcycle" in the problem to come.
Suppose a 1000 kg car traveling at 20.0 m/s to the right crashes into a 550
nswer back into te
e noite
traveling at 5.0 m/s to the right, at what velocity is the motorcycle traveling? Be
careful to use the correct signs on your velocities.
ds to stop in a dista
e plane? How mud
* 2.14 Suppose a 1000 kg car traveling at 20.0 m/s to the right crashes into a
550 kg motorcycle traveling at 35.0 m/s to the left. If, after the collision, the two
venicles become stuck together, at what velocity do they travel? (Hint: What
does it mean for Vcar, f and vmotorcycle. f if they are stuck together?)
O miles per hour. S0
ôn. Suppose also th
that the bat puse
Section 2.6
nstant acceleration
ation of the ball dur
e the bat?
10 ft between statio
power.
It and 10000 ft.. Is this function linear^?
and decreasing its
ween stations? (H
/s?. Naturally, it
xt station at rest.
tor the car haying a
Transcribed Image Text:... 2.15 Repeat Problem 2.7, but this time suppose the burning building is 3000 answers? To investigate this behavior, create a plot of a vs. d for d between 0.0 1 As a reminder, the graph of a linear function is a straight line, such that the dependent variable (a, in this case) is proportional to the independent variable (d, in this case) to the first ft away. Then, repeat the problem again with the burning building 4000 ft away. Problem you will also need to consider what is the amount of time spent on each constant velocity, and one for the car having a negative acceleration. To solve the three parts: One for the car having a positive acceleration, one for the car having its velocity and decreasing its velocity, how much time does it take for the car of 70.0 ft/s. Naturally, it needs to leave the previous station at rest and arrive a maximum safe acceleration of magnitude 4.2 ft/s2 and a maximum safe velocity this unrealistic Problem, what is the maximum velocity reached by this car? the final velocity of the first part and the initial velocity of the second part?) In ation. To solve the llat is the displacement for each part, U time for each part, and what is the relationship between Does the acceleration increase by the same amount between each of the three to travel between stations? (Hint: You will need to divide this problem into what is the at the next station at rest. If the car spends equal amounts of time increasing ... 2.12 A monorail car needs to travel a total of 2000 ft between stations, and has you see a car s ive acceleration re hitting the c n? nd the informatio recommend co in the Problem a Problem than i nart, and what is the relationship between the final velocity of the first part and the initial velocity of the third part?) Solg n 2.13 When two objects (labeled by subscripts 1 and 2) of masses m, and m2 collide, their initial and final velocities (labeled by the subscripts i and f) are related by the principle of conservation of momentum, which states Lem? ceaches. miv1,i + M2V2,i = M1v1,f + m2v2,f. (2.12) In a collision problem, you may wish to replace the subscripts 1 and 2 by the names of the objects, such as "car" and "motorcycle" in the problem to come. Suppose a 1000 kg car traveling at 20.0 m/s to the right crashes into a 550 nswer back into te e noite traveling at 5.0 m/s to the right, at what velocity is the motorcycle traveling? Be careful to use the correct signs on your velocities. ds to stop in a dista e plane? How mud * 2.14 Suppose a 1000 kg car traveling at 20.0 m/s to the right crashes into a 550 kg motorcycle traveling at 35.0 m/s to the left. If, after the collision, the two venicles become stuck together, at what velocity do they travel? (Hint: What does it mean for Vcar, f and vmotorcycle. f if they are stuck together?) O miles per hour. S0 ôn. Suppose also th that the bat puse Section 2.6 nstant acceleration ation of the ball dur e the bat? 10 ft between statio power. It and 10000 ft.. Is this function linear^? and decreasing its ween stations? (H /s?. Naturally, it xt station at rest. tor the car haying a
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