Physics, 07.08.2019 21:20 christhegreat1
Abook light has a 1.4 w, 4.8 v bulb that is powered by a transformer connected to a 120 v electric outlet. the secondary coil of the transformer has 20 turns of wire. how many turns does the primary coil have? what is the current in the primary coil?
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, 23.06.2019 10:00
What happens to the electrostatic force between two charged particles if the distance between them is doubled?
Answers: 1
Physics, 23.06.2019 18:30
Un satĂ©lite artificial de un planeta x tiene un periodo de 8 horas y está colocado a una distancia de 50000 km del centro del planeta. a) ? cuál es la masa mx del planeta? b) ? cuál es el valor de la aceleraciĂłn de la gravedad del planeta a la distancia en que está colocado el satĂ©lite? c) ? cuál es la velocidad orbital del satĂ©lite? d) si la masa ms del satĂ©lite es de 200 kg ? cuál es su energĂa de enlace?
Answers: 1
Physics, 23.06.2019 18:30
Which of the following is true about fossils? a. fossils found in lower layers of sedimentary rock are older than fossils found in upper layers of sedimentary rock. b. fossils found in lower layers of sedimentary rock are as old as fossils found in upper layers of sedimentary rock. c. the relative age of fossils cannot be determined from their position in sedimentary layers.
Answers: 2
Abook light has a 1.4 w, 4.8 v bulb that is powered by a transformer connected to a 120 v electric o...
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