A man of mass m1 = 70.0 kg is skating at V1 = 8.00 m/s behind his wife of mass m2 = 50.0 kg, who is skating at v2 = 4.00 m/s. Instead of passing her, he inadvertently collides with her. He grabs her around the waist, and they maintain their balance. (a) Sketch the problem with before-and-after diagrams, representing the skaters as blocks. (Do this on paper. Your instructor may ask you to turn in this work.) (b) Is the collision best described as elastic, inelastic, or perfectly inelastic? O elastic O inelastic O perfectly inelastic (c) Why? They have the same velocity after collision. This answer has not been graded yet. (d) Write the general equation for conservation of momentum in terms of m1, V1, m2, V2, and final velocity vf. (Do this on paper. Your instructor may ask you to turn in this work.) (e) Solve the momentum equation for vf. (Use the following as necessary: m1, V1, m2, v2. Do not substitute numerical values; use variables only.) Vr= (f) Substitute values, obtaining the numerical value for vf, their speed after the collision. Vr, couple m/s Vr, man - m/s Vr, wife m/s
A man of mass m1 = 70.0 kg is skating at V1 = 8.00 m/s behind his wife of mass m2 = 50.0 kg, who is skating at v2 = 4.00 m/s. Instead of passing her, he inadvertently collides with her. He grabs her around the waist, and they maintain their balance. (a) Sketch the problem with before-and-after diagrams, representing the skaters as blocks. (Do this on paper. Your instructor may ask you to turn in this work.) (b) Is the collision best described as elastic, inelastic, or perfectly inelastic? O elastic O inelastic O perfectly inelastic (c) Why? They have the same velocity after collision. This answer has not been graded yet. (d) Write the general equation for conservation of momentum in terms of m1, V1, m2, V2, and final velocity vf. (Do this on paper. Your instructor may ask you to turn in this work.) (e) Solve the momentum equation for vf. (Use the following as necessary: m1, V1, m2, v2. Do not substitute numerical values; use variables only.) Vr= (f) Substitute values, obtaining the numerical value for vf, their speed after the collision. Vr, couple m/s Vr, man - m/s Vr, wife m/s
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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E and f only please!
Transcribed Image Text:A man of mass m1 = 70.0 kg is skating at V1 = 8.00 m/s behind his wife of
mass m2 = 50.0 kg, who is skating at v2 = 4.00 m/s. Instead of passing her,
he inadvertently collides with her. He grabs her around the waist, and they
maintain their balance.
(a) Sketch the problem with before-and-after diagrams, representing
the skaters as blocks. (Do this on paper. Your instructor may ask you to
turn in this work.)
(b) Is the collision best described as elastic, inelastic, or perfectly
inelastic?
O elastic
O inelastic
O perfectly inelastic
(c) Why?
They have the same velocity after collision.
This answer has not been graded yet.
(d) Write the general equation for conservation of momentum in terms
of m1, V1, m2, V2, and final velocity vf. (Do this on paper. Your
instructor may ask you to turn in this work.)
(e) Solve the momentum equation for vf. (Use the following as
necessary: m1, V1, m2, v2. Do not substitute numerical values; use
variables only.)
Vr=
(f) Substitute values, obtaining the numerical value for vf, their speed
after the collision.
Vr, couple
m/s
Vr, man -
m/s
Vr, wife
m/s
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