Physics, 16.11.2020 18:10 thebrain1345
A soccer player hits a 0.20 kg ball which is incoming with a speed 5 m/s. After the kick, the ball changes its direction by 90 degrees and keeps its original speed. What is the average force exerted by the player of the impact time is 0.02 seconds?
Answers: 3
Physics, 22.06.2019 14:50
Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247Ā°c during which pĪ½1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.
Answers: 2
Physics, 22.06.2019 17:40
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
Answers: 1
Physics, 22.06.2019 20:00
Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?
Answers: 3
A soccer player hits a 0.20 kg ball which is incoming with a speed 5 m/s. After the kick, the ball c...
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