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ASU PHY 121 Exam 3 Question and answers already passed 2025

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ASU PHY 121 Exam 3 Question and answers already passed 2025 Momentum - correct answer p=mv Conservation of Momentum - correct answer psi=psf where s is system Sum of external forces is the change in momentum of system over change in time Impulse - correct answer J=deltap Average Force - correct answer Favg=J/deltat Elastic Collision - correct answer Energy is conserved (bodies bounce off) Inelastic Collision - correct answer Kinetic Energy is lost Perfectly Inelastic Collision - correct answer Kinetic Energy is lost and the bodies stick together (Energy loss is maximum) Can momentum be conserved in inelastic collisions? - correct answer Yes, is the net external forces is 0. Tangential Kinematics - correct answer x=r(theta) v=r(omega) a=r(alpha)

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ASU PHY 121
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Uploaded on
May 18, 2025
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Written in
2024/2025
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ASU PHY 121 Exam 3 Question and
answers already passed 2025
Momentum - correct answer ✔p=mv


Conservation of Momentum - correct answer ✔psi=psf where s is system
Sum of external forces is the change in momentum of system over change in
time


Impulse - correct answer ✔J=deltap


Average Force - correct answer ✔Favg=J/deltat


Elastic Collision - correct answer ✔Energy is conserved (bodies bounce off)


Inelastic Collision - correct answer ✔Kinetic Energy is lost


Perfectly Inelastic Collision - correct answer ✔Kinetic Energy is lost and the
bodies stick together (Energy loss is maximum)


Can momentum be conserved in inelastic collisions? - correct answer ✔Yes,
is the net external forces is 0.


Tangential Kinematics - correct answer ✔x=r(theta)
v=r(omega)
a=r(alpha)
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