Physics, 29.05.2021 02:10 lucyfox8165
Oscar’s family recently put solar panels on their roof to cut down on their use of electricity from the power company. How will alternative energy sources affect Earth’s atmosphere?
A. They will increase levels of greenhouse gases in the atmosphere.
B. They will reduce levels of greenhouse gases in the atmosphere.
C. They will increase the use of fossil fuels for economic reasons.
D. They will reduce the amount of energy we consume.
Answers: 1
Physics, 22.06.2019 06:00
(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.
Answers: 1
Physics, 22.06.2019 09:00
When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical
Answers: 2
Physics, 22.06.2019 11:00
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
Answers: 1
Physics, 22.06.2019 15:30
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Oscar’s family recently put solar panels on their roof to cut down on their use of electricity from...
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