Two billiard balls of equal mass undergo a perfectlyelastic head-on collision.Part AIf one ball's initial speed was 1.50 m/s, and theother's was 2.90 m/s in the opposite direction,what will be their velocities after the collision?Enter your answers numerically separated bya comma. Enter positive value if the directionof the velocity is the same as the direction ofthe initial velocity of the first ball, andnegative value if the direction of the velocity isopposite to the direction of the initial velocityof the first ball.V1,V2=一路ΑΣΦ?

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Two billiard balls of equal mass undergo a perfectly elastic head-on collision. Part A If one ball's initial speed was 1.50 m/s, and the other's was 2.90 m/s in the opposite direction, what will be their velocities after the collision?

Two billiard balls of equal mass undergo a perfectly elastic head-on collision. Part A If one ball's initial speed was 1.50 m/s, and the other's was 2.90 m/s in the opposite direction, what will be their velocities after the collision?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter9: Momentum And Its Conservation

Section9.1: Impulse And Momentum

Problem 2PP

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Question

Two billiard balls of equal mass undergo a perfectly
elastic head-on collision.
Part A
If one ball's initial speed was 1.50 m/s, and the
other's was 2.90 m/s in the opposite direction,
what will be their velocities after the collision?
Enter your answers numerically separated by
a comma. Enter positive value if the direction
of the velocity is the same as the direction of
the initial velocity of the first ball, and
negative value if the direction of the velocity is
opposite to the direction of the initial velocity
of the first ball.
V1,
V2
=
一路
ΑΣΦ
?

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