Two identical hockey pucks moving with initial velocities vA and vg collide as shown. If the coefficient of restitution is e = 0.63, determine the velocity of each puck just after impact. Also calculate the percentage loss n of system kinetic energy. Assume va = 6.1 m/s, vg = 12.0 m/s, = 20°. 00 UA

Two identical hockey pucks moving with initial velocities vA and vg collide as shown. If the coefficient of restitution is e = 0.63, determine the velocity of each puck just after impact. Also calculate the percentage loss n of system kinetic energy. Assume va = 6.1 m/s, vg = 12.0 m/s, = 20°. 00 UA

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

Two identical hockey pucks moving with initial velocities vA and vg collide as shown. If the coefficient of restitution is e = 0.63,
determine the velocity of each puck just after impact. Also calculate the percentage loss n of system kinetic energy.
Assume vA = 6.1 m/s, v8 = 12.0 m/s, o = 20°.
UA
Answers:
VA' = ( i
i +
j) m/s
Vg' = ( i
i +
j) m/s
n =
i
%

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