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Physics
Each atom is composed of electrons and positive material. The mass of the atom is evenly spread throughout the atom. Neutrons are located in the center of the atom. Positive charge occupies a very small volume in the atom.
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Savannah Huerta
Physics
A hot-air balloon is ascending at the rate of 14 m/s and is 84 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? (b) With what speed does it hit the ground?
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Zachary Bean
Physics
Now assume that the pitcher in Part D throws a 0.145-kgkg baseball parallel to the ground with a speed of 32 m/sm/s in the + x direction. The batter then hits the ball so it goes directly back to the pitcher along the same straight line. What is the ball's x-component of velocity just after leaving the bat if the bat applies an impulse of - 8.4N⋅s-8.4N⋅s to the baseball?
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Jadiel Bowman
Physics
How far away is a cliff if an echo is heard 0.486 s after the original sound? Assume that sound traveled at 343 m/s on that day.
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Ally Perez
Physics
Rafael swings a baseball bat with a force of 25 N. The baseball bat exerts a force of 5 N on the baseball. What is the mechanical advantage of the baseball bat? The mechanical advantage of the baseball bat is
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Derick
Physics
Minerals such as sulfur can sometimes be identified by colors, true or false.
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Keyla Schmitt
Physics
How does the number of each type of particle in a sodium ion compare with the number of each type of particle in a sodium atom?
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Cruella
Physics
Calculate the work done when a 10 N force pushes against a cart 4.0 m
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Ari James
Physics
Which type of light bulb glows when a filament inside it gets hot?
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Moses Contreras
Physics
If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?
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Raiden Friedman
Physics
How do positive and negative charges interact with each other?
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Dakota Hutchinson
Physics
What is electricity
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Santiago Huang
Physics
What happens to the density as one progresses through the layers of the earth from the lithosphere toward the inner core
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Joslyn
Physics
What is tiny holes on the surface of a plant?
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Juicy
Physics
How is aperture measured? What do the measurements mean?
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