2. Two balls (A) and (B) have an elastic collision. Before the collision, the kinetic energies of balls (A) and (B) are 27.5 J and 7.00 J, respectively. After the collision, ball (A) has a kinetic energy of 9.50 J and ball (B) has a speed of 4.60 m/s. What is the mass of ball (B)?
2. Two balls (A) and (B) have an elastic collision. Before the collision, the kinetic energies of balls (A) and (B) are 27.5 J and 7.00 J, respectively. After the collision, ball (A) has a kinetic energy of 9.50 J and ball (B) has a speed of 4.60 m/s. What is the mass of ball (B)?
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Transcribed Image Text:2. Two balls (A) and (B) have an elastic collision. Before the collision, the kinetic
energies of balls (A) and (B) are 27.5 J and 7.00 J, respectively. After the
collision, ball (A) has a kinetic energy of 9.50 J and ball (B) has a speed of 4.60
m/s. What is the mass of ball (B)?
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