Two people stand facing each other at a roller skating rink then push off each other. a). What is the momentum of the system before they push off each other? b. What must be the momentum of the system after they push off each other? c. If the girl skater has a mass of 54 kg and moves backward at 5 m/s, what is the velocity of the boy skater if his mass is 62 kg? (Round answer to nearest tenth). d. If the force applied between the two skaters occurs over 1.5 seconds, what is the force exerted on each of the skaters?
Answers: 3
Physics, 22.06.2019 10:00
The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.
Answers: 2
Physics, 22.06.2019 10:00
During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs
Answers: 1
Physics, 22.06.2019 11:30
Write down two additional questions about earth's magnetic field that will make your presentation more informative.
Answers: 1
Physics, 22.06.2019 12:30
Which levels of government establish and implement educational requirements for minors
Answers: 1
Two people stand facing each other at a roller skating rink then push off each other. a). What is th...
Mathematics, 03.07.2019 09:30
Mathematics, 03.07.2019 09:30
Biology, 03.07.2019 09:30
Biology, 03.07.2019 09:30
Mathematics, 03.07.2019 09:30
Mathematics, 03.07.2019 09:30
Biology, 03.07.2019 09:30
English, 03.07.2019 09:30
History, 03.07.2019 09:30