Physics, 16.12.2019 20:31 amaliabarrera9
Sue can easily lift a 45.0-n rock with the of a lever. when she pushes down with 20.0 n of force, she lifts the rock 0.3 meters. how far does she move her arms to do this?
Answers: 1
Physics, 20.06.2019 18:04, Mariefritz13
Agenerator converts mechanical energy to electrical energy. when a coil placed between two magnets rotates, the magnetic lines of force are disturbed. this induces a current in the coil. the image below shows a generator. what could be done to make the lamp brighter? a. decrease the size of the magnets b. turn the coil slower c. change the polarity of the magnets d. turn the coil faster
Answers: 3
Physics, 22.06.2019 10:00, jeffffffff
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
Answers: 1
Physics, 22.06.2019 18:30, july00
En un laboratorio, nakisha mezcla una solución de hidróxido de sodio con un indicador llamado fenolftaleína. cuando se combinan, crean una solución de color rosa. nakisha se pregunta si la mezcla de otras soluciones con fenolftaleína también creará este color rosa. ? cómo podría nakisha utilizar el proceso de investigación científica para determinar si la mezcla de otras soluciones con fenolftaleína también creará un color rosa? marque las que correspondan.
Answers: 2
Sue can easily lift a 45.0-n rock with the of a lever. when she pushes down with 20.0 n of force, s...
Mathematics, 27.08.2019 19:30
Physics, 27.08.2019 19:30