Matt 86.0 kg and his dog 18.0 kg are playing around on a frozen lake. Matt attempts to run across the ice at 2.90 m/s and his dog runs toward him at 1.40 m/s. If his dog jumps up into his arms, what is Matt's speed just after he catches his dog?
1 answer
86 * 2.9 - 18 * 1.4 = (86+18)v
1 answer