Physics, 09.11.2020 20:50 iPlayOften3722
a cross section of a parabolic reflector as shown below. a bulb is located at the focus the opening at the focus AB is 12cm what is the diameter of the opening CD 8cm from the vertex?
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Physics, 22.06.2019 05:30
James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the
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Physics, 23.06.2019 03:30
First to answer will be the brainliest i need the answer asap
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Physics, 23.06.2019 09:30
Which statements identify what astronomers currently know and think will happen with our universe? check all that apply. the big bang produced dark energy, which accounts for some of the energy needed to expand the universe. the vastness of space may contain a type of matter known as "dark matter." the universe is currently shrinking at a rapid rate. the universe is currently expanding at an accelerating rate. the big bang theory explains all the energy and matter discovered by scientists.
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Physics, 23.06.2019 10:10
Human population projections are subject to change due to fluctuations in global fertility and mortality rates
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a cross section of a parabolic reflector as shown below. a bulb is located at the focus the opening...
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