As part of an obstacle course, an athlete must kick a soccer ball into a1 meter wide and 10 meter deep pit such that the ball hits a target at the bottom of the pit. In practice, a dynamics student that is participating in the race kicks the soccer ball such that the soccer ball will bounce off the far wall of the pit 5 meters below the surface and head towards the target. If the velocity of the ball before striking the wall at point at point A is va = 3.21 – 103 ". determine the t-component of the ball velocity vector (in m) after striking the wall. The size of the ball and the target are negligible relative to the dimensions of the pit, the gravity acceleration must be considered as g = 10 and the coefficient of restitution at point A is e =0.55. Sm 10 m Im 三

As part of an obstacle course, an athlete must kick a soccer ball into a1 meter wide and 10 meter deep pit such that the ball hits a target at the bottom of the pit. In practice, a dynamics student that is participating in the race kicks the soccer ball such that the soccer ball will bounce off the far wall of the pit 5 meters below the surface and head towards the target. If the velocity of the ball before striking the wall at point at point A is va = 3.21 – 103 ". determine the t-component of the ball velocity vector (in m) after striking the wall. The size of the ball and the target are negligible relative to the dimensions of the pit, the gravity acceleration must be considered as g = 10 and the coefficient of restitution at point A is e =0.55. Sm 10 m Im 三

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

As part of an obstacle course, an athlete must kick a soccer ball into al meter wide
and 10 meter deep pit such that the ball hits a target at the bottom of the pit. In
practice, a dynamics student that is participating in the race kicks the soccer ball
such that the soccer ball will bounce off the far wall of the pit 5 meters below the
surface and head towards the target. If the velocity of the ball before striking the
wall at point at point A is vA=3.21- 10j , determine the t-component of the
ball velocity vector (in m) after striking the wall. The size of the ball and the target
are negligible relative to the dimensions of the pit, the gravity acceleration must be
considered as g = 10 and the coefficient of restitution at point A is e =0.55.
5 m
10m
Im
目

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