Answers: 3
Physics, 21.06.2019 22:30
Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate
Answers: 2
Physics, 22.06.2019 07:50
2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it
Answers: 1
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 16:50
Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s.part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.
Answers: 2
Un ladron roba una bicicleta y huye con ella a 20km/h. Un ciclista lo vé, sale detras del mismo 3 mi...
World Languages, 17.12.2020 14:00
Social Studies, 17.12.2020 14:00
Social Studies, 17.12.2020 14:00
History, 17.12.2020 14:00
History, 17.12.2020 14:00
Chemistry, 17.12.2020 14:00
English, 17.12.2020 14:00
Chemistry, 17.12.2020 14:00
Mathematics, 17.12.2020 14:00
Mathematics, 17.12.2020 14:00
Mathematics, 17.12.2020 14:00
Mathematics, 17.12.2020 14:00
Mathematics, 17.12.2020 14:00
Mathematics, 17.12.2020 14:00
Advanced Placement (AP), 17.12.2020 14:00
Mathematics, 17.12.2020 14:00
History, 17.12.2020 14:00