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Physics, 21.06.2019 22:30
Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?
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Physics, 22.06.2019 04:30
You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?
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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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A person is driving a car in a roundabout at 20 m/s so that its centripetal acceleration is 5 m/s2 ....
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