Physics, 15.12.2020 20:20 alexandriacatro9419
**I need theses answered by 9:30***
a 9.0-kg dog runs at 4.0 m/s and jumps onto a stationary skateboard the mass of the skateboard is 1.0 kg what speed is the speed of the skating dog?
1. before the dog jumps onto the skateboard
what is the momentum of the dog?
what is the momentum of the skateboard?
2. after the dog jumps onto the skateboard
a. what is the momentum of the dog?
b. what is the momentum of the skateboard?
Answers: 1
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