Physics, 13.07.2020 19:01 wolfiewolffromsketch
Sunlight strikes a solar panel. which is then used to power the lights in the house. What are the energy transformation taking place in this system
A)light energy to electric energy to mechanic energy
B)thermal energy to electric energy to light energy
C)light energy to electric energy to light energy
D)thermal energy to chemical energy to kinetic energy
Answers: 2
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Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's
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Physics, 22.06.2019 12:30
As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?
Answers: 1
Physics, 22.06.2019 12:30
Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
Answers: 1
Sunlight strikes a solar panel. which is then used to power the lights in the house. What are the en...
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