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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, 21.06.2019 23:00
For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.
Answers: 1
Physics, 22.06.2019 05:30
What are similarities and differences of reflection, refraction, diffraction and absorption?
Answers: 1
What is a charestic of an electromagnetic wave?...
Mathematics, 16.04.2021 21:50
Mathematics, 16.04.2021 21:50
Mathematics, 16.04.2021 21:50
Mathematics, 16.04.2021 21:50
Mathematics, 16.04.2021 21:50
Mathematics, 16.04.2021 21:50
Mathematics, 16.04.2021 21:50
Mathematics, 16.04.2021 21:50
Mathematics, 16.04.2021 21:50