Posted by **Anonymous** on Tuesday, January 5, 2010 at 7:40pm.

001 (part 1 of 2) 10.0 points

An 86 kg fullback moving east with a speed

of 5.5 m/s is tackled by a 97 kg opponent

running west at 3.6 m/s, and the collision is

perfectly inelastic.

a) What is the velocity of the players immediately after the tackle?

Answer in units of m/s.

002 (part 2 of 2) 10.0 points

b) What is the decrease in kinetic energy

during the collision?

Answer in units of J.

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