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he coefficient of restitution is 0.78 between the two 70 mm diameter billiard balls A and B which have identical masses. Ball A is moving in the direction shown with a speed of 1.78 m/s when strikes ball B, which is initially at rest. After impact ball B moves in the +x direction. (Assume the surfaces of the billiard balls are smooth and frictionless.) n the diagram (not to scale due to randomization), the initial center-to-center horizontal distance is a =150 mm, and the initial vertical center-to-center vertical distance is y = 235 mm.] ) [1] Determine the angle 0 in the diagram. [Do NOT neglect the size of the billiard balls. DO use the bolded information above to sketch for yourself the position of ball A at the time of impact with ball B.] degrees ) [1.5] Determine the speed of ball B after the impact. "BJ = m/s [1.5] Determine the speed of ball A after the impact. "Af = m/s

he coefficient of restitution is 0.78 between the two 70 mm diameter billiard balls A and B which have identical masses. Ball A is moving in the direction shown with a speed of 1.78 m/s when strikes ball B, which is initially at rest. After impact ball B moves in the +x direction. (Assume the surfaces of the billiard balls are smooth and frictionless.) n the diagram (not to scale due to randomization), the initial center-to-center horizontal distance is a =150 mm, and the initial vertical center-to-center vertical distance is y = 235 mm.] ) [1] Determine the angle 0 in the diagram. [Do NOT neglect the size of the billiard balls. DO use the bolded information above to sketch for yourself the position of ball A at the time of impact with ball B.] degrees ) [1.5] Determine the speed of ball B after the impact. "BJ = m/s [1.5] Determine the speed of ball A after the impact. "Af = m/s

Elements Of Electromagnetics
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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The coefficient of restitution is 0.78 between the two 70 mm diameter billiard balls A and B which have identical masses. Ball A is moving in the direction shown with a speed of 1.78 m/s when it strikes ball B, which is initially at rest. After impact ball B moves in the +x direction. (Assume the surfaces of the billiard balls are smooth and frictionless.) [In the diagram (not to scale due to randomization), the initial center-to-center horizontal distance is x =150 mm, and the initial vertical center-to-center vertical distance is y = 235 mm.] a) [1] Determine the angle 0 in the diagram. [Do NOT neglect the size of the billiard balls. DO use the bolded information above to sketch for yourself the position of ball A at the time of impact with ball B.] degrees b) [1.5] Determine the speed of ball B after the impact. VBf = m/s c) [1.5] Determine the speed of ball A after the impact. VAf = m/s d) [1] Given that the mass of each ball is 0.22 kg, and that the duration of the collision is 35 milliseconds, what is the magnitude of the average internal force the balls exert on each other? Fint,av| =
Transcribed Image Text:The coefficient of restitution is 0.78 between the two 70 mm diameter billiard balls A and B which have identical masses. Ball A is moving in the direction shown with a speed of 1.78 m/s when it strikes ball B, which is initially at rest. After impact ball B moves in the +x direction. (Assume the surfaces of the billiard balls are smooth and frictionless.) [In the diagram (not to scale due to randomization), the initial center-to-center horizontal distance is x =150 mm, and the initial vertical center-to-center vertical distance is y = 235 mm.] a) [1] Determine the angle 0 in the diagram. [Do NOT neglect the size of the billiard balls. DO use the bolded information above to sketch for yourself the position of ball A at the time of impact with ball B.] degrees b) [1.5] Determine the speed of ball B after the impact. VBf = m/s c) [1.5] Determine the speed of ball A after the impact. VAf = m/s d) [1] Given that the mass of each ball is 0.22 kg, and that the duration of the collision is 35 milliseconds, what is the magnitude of the average internal force the balls exert on each other? Fint,av| =
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