How fast did julio throw the football

Reference no: EM13653869

julio throws his 0.20kg football in the living room and knocksover his mothers 0.80 kg antique vase. After collision, thefootball bounces straight back with a speed of 3.9m/s. while thevase is moving at 2.6 m/s, in the opposite direction. how fast did julio throw the football?

Reference no: EM13653869

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