Physics, 05.05.2020 05:19 chamarabrown9260
Identical twins Kate and Karen each have a mass of 45 kg. They are rowing their boat on a hot summer
afternoon when they decide to go for a swim. Kate jumps off the front of the boat at a speed of 3.00 m/s.-
Karen jumps off the back at a speed of 4,00 m/s. If the 70.-kilogram rowboat is moving at 1.00 m/s when the
girls jump, what is the speed of the rowboat after the girls jump?
Answers: 3
Physics, 22.06.2019 04:40
Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely
Answers: 1
Physics, 22.06.2019 09:30
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 3
Physics, 22.06.2019 12:00
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
Answers: 2
Identical twins Kate and Karen each have a mass of 45 kg. They are rowing their boat on a hot summer...
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