What was their mutual speed

Reference no: EM13646478

A halfback on an apparent breakaway for a touchdown is tackled frombehind. If the halfback has a mass of 91kg and was moving at 4.3 m/s when he wastackled by an 85 kg cornerback running at 5.5 m/s in the samedirection, what was their mutual speed immediately after thetouchdown-saving tackle?

Reference no: EM13646478

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