Two balls are approaching each other head-on. Their velocitiesare+9.10 and -11.7 m/s. Determine the velocity of the center ofmassof the two balls for the following conditions. (Use the signof youranswer to indicate the direction.)

(a) They have same mass.
1m/s

(b) The mass of one ball (v = +9.10 m/s) is fourtimes themass of the other ball (v = -11.7 m/s).
2m/s

Question

Two balls are approaching each other head-on. Their velocitiesare+9.10 and -11.7 m/s. Determine the velocity of the center ofmassof the two balls for the following conditions. (Use the signof youranswer to indicate the direction.)

(a) They have same mass.
1

m/s

(b) The mass of one ball (v = +9.10 m/s) is fourtimes themass of the other ball (v = -11.7 m/s).
2

m/s

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