Work is a product of
a)cause and effect
b)cause and heat energy
...
Answers: 1
Physics, 21.06.2019 20:00
Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.
Answers: 1
Physics, 22.06.2019 10:30
Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
Answers: 3
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
Physics, 23.06.2019 00:30
What is the largest meteoroid that has collided with this planet
Answers: 1
English, 28.02.2021 21:40
Chemistry, 28.02.2021 21:40
Chemistry, 28.02.2021 21:40
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Mathematics, 28.02.2021 21:40
Mathematics, 28.02.2021 21:40
Mathematics, 28.02.2021 21:40
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Mathematics, 28.02.2021 21:40
Mathematics, 28.02.2021 21:40