What is the final speed of dr. smith and the skateboard

Reference no: EM13488268

The mass of Dr. Smith and the skateboard are 80 k. Dr. Alex throws a 2.5 kg bal horizontally at 3.0 m/s to the right at Dr. Smith, who catches it. What is the final speed of Dr. Smith and the skateboard?

Reference no: EM13488268

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