Physics, 28.06.2019 06:00 flynwildozfuf5
This roller coaster has potential energy when it is sitting at the top of this loop. as the cars move down, the potential energy changes into energy of motion. what kind of potential energy does the roller coaster have at the top of the loop? a) potential chemical energy b) potential elastic energy c) potential electrical energy d) potential gravitational energy
Answers: 1
Physics, 22.06.2019 10:00
Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
Physics, 22.06.2019 20:10
Atruck with 34-in.-diameter wheels is traveling at 55 mi/h. find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes:
Answers: 2
This roller coaster has potential energy when it is sitting at the top of this loop. as the cars mov...
Mathematics, 04.07.2019 21:00
Mathematics, 04.07.2019 21:00
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Mathematics, 04.07.2019 21:00