Two wooden pucks approach each other on an ice rink as shown in the figure. Puck #2 has an initial speed of 4.66 m/s and a mass that is some fraction f = that of puck #1. Puck #1 is made of a hard wood and puck #2 is made of a very soft wood. As a result, when they collide, puck #1 makes a dent in puck #2 and 10.2% of the initial kinetic energy of the two pucks is lost. Before the collision, the two pucks approach each other in such a manner their momentums are of equal magnitude and opposite directions. Determine the speed of the two pucks after the collision. 2.29 Vif = See if you can use a basic conservation principle to determine a relationship between the speeds of the two pucks both before and after the collision. m/s 3.44 V2f = See if you can write an expression for the total kinetic energy before the collision, the total kinetic energy after the collision, and the relationship between these two quantities. m/s Puck #1 40°

Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 37AP: Review. A 60.0-kg person running at an initial speed of 4.00 m/s jumps onto a 120-kg cart initially...
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Two wooden pucks approach each other on an ice rink as shown in the figure. Puck #2 has an initial speed of 4.66 m/s and
a mass that is some fraction f = that of puck #1. Puck #1 is made of a hard wood and puck #2 is made of a very soft
wood. As a result, when they collide, puck #1 makes a dent in puck #2 and 10.2% of the initial kinetic energy of the two
pucks is lost. Before the collision, the two pucks approach each other in such a manner their momentums are of equal
magnitude and opposite directions. Determine the speed of the two pucks after the collision.
2.29
V1f = See if you can use a basic conservation principle to determine a relationship between the speeds of the two pucks
both before and after the collision. m/s
3.44
V2f = See if you can write an expression for the total kinetic energy before the collision, the total kinetic energy after the
collision, and the relationship between these two quantities. m/s
Puck #1
40°
40°
Puck #2
Transcribed Image Text:3/33 Two wooden pucks approach each other on an ice rink as shown in the figure. Puck #2 has an initial speed of 4.66 m/s and a mass that is some fraction f = that of puck #1. Puck #1 is made of a hard wood and puck #2 is made of a very soft wood. As a result, when they collide, puck #1 makes a dent in puck #2 and 10.2% of the initial kinetic energy of the two pucks is lost. Before the collision, the two pucks approach each other in such a manner their momentums are of equal magnitude and opposite directions. Determine the speed of the two pucks after the collision. 2.29 V1f = See if you can use a basic conservation principle to determine a relationship between the speeds of the two pucks both before and after the collision. m/s 3.44 V2f = See if you can write an expression for the total kinetic energy before the collision, the total kinetic energy after the collision, and the relationship between these two quantities. m/s Puck #1 40° 40° Puck #2
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