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Physical Science

05/21/14

Meg walks 5 blocks south and then turns around and walks 8 blocks back to the north. The distance that she walks is 13 blocks. What is her displacement?

All the questions come from off of Apex.

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Physical Science

04/30/14

What type of solution has more dissolved solute that is normally predicted?

Physical Science

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Physical Science

04/27/14

changes in velocity

At 10:15 am, Snail 1 crossed the 65cm mark with a velocity of 4cm/min. In a great burst of energy, snail 1 raced to the 90 cm mark in 3 minutes. His velocity as he crossed the 90 cm mark was 7... more

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Physical Science

04/22/14

Describe of light and explain how it help determine the arrangement of atom and molecules in solids.

describe of light and explain how it help determine the arrangement of atom and molecules in solids. what type of light ( electromagnetic wave) is used when probing solids?

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Physical Science

04/21/14

construct electron configuration schematic and then use it to diagram the electron configurations of K and S.

construct electron configuration schematic and then use it to diagram the electron configurations of K and S.i only need for K and S

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Answers •1

Physical Science

04/20/14

Physical Science

A tugboat pushes into a barge, exerting 8,000 N of force. The area of contact between the tugboat and the barge is 1.850 m2. What is the total pressure that the area of contact experiences?

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Physical Science

04/19/14

construct electron configuration schematic and then use it to diagram the electron configurations of K and S.

construct electron configuration schematic and then use it to diagram the electron configurations of K and S. write out the electron configurations of K and S. ( only construct the schematic though... more

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Physical Science

04/18/14

what is the atomic mass of the most common isotope of silver as indicated by the periodic table?

what is the atomic mass of the most common isotope of silver as indicated by the periodic table? why isnt the atomic weight listed on the periodic table an integer?

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Physical Science

04/18/14

name another element that has chemical properties similar to chemical properties of silver?

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Physical Science

04/18/14

what is more dense, liquid water or water ice?

what is more dense, liquid water or water ice? ( explain what causes such phenomenon) how does most substance compare to water in terms of the densities of their liquids and solids ?

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Physical Science

04/17/14

Protons neutrons and electrons

How many protons neutrons and electrons does cs-138Cs - 138 w + + +

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Physical Science

04/16/14

describe each of the phases of matter in terms of temperature,vol

describe each of the phases of matter in terms of temperature,volume,shape,and atomic (or molecular) motion.

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Physical Science Algebra 1

04/09/14

Calculating Acceleration and an Algebra 1 problem

I need help on these problems regarding acceleration: 1. The head of a rattlesnake can accelerate at 50.0 m/s^2 in striking victim. If a car would have the same acceleration, how long would it... more

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Physical Science

04/01/14

explain how the heisenberg principle applies to the current model of the atom

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Physical Science

03/31/14

explain in your own words what is meant by the phrase ` evolution of the atom`

explain in your own words what is meant by the phrase evolution of the atom

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Physical Science

03/27/14

A sound wave travels at 343 m/s in air. If a note of frequency 500 Hz is played, how long is the wavelength?

A sound wave travels at 343 meters per second in the air. If a note of Frequency 500 Hz is played, how long is the wavelength?

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Physical Science

03/24/14

describe the Bohr of the hydrogen atom in terms of energy levels

describe the Bohr of the hydrogen atom in terms of energy levels, orbits,and emission of light what model of the replaced the bohr model and why?

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Physical Science

03/23/14

name and describe thomson`s model of the atom?

name and describes the model of the atom that replaced thomson model briefly describe the experiment that led to model of the atom that replaced thomson model

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Physical Science

03/23/14

Construct a diagram of the electromagnetic spectrum

Construct a diagram of the electromagnetic spectrum ( ADIC) and label all important parts of the spectrum ( including numerical values) include where energy is high and low, where frequency is high... more

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Physical Science

03/11/14

Which of the following is best described as the study of the nature of matter, especially at the atomic and molecular level?

by the way this is physical science question

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Physical Science

03/09/14

starting from rest,your swell new car, the zipper slipper,travels 402 M in 16 seconds.

starting from rest,your swell new car, the zipper slipper,travels 402 M in 16 seconds. A) what is its accelerationB) if your car`s mass is 900 kg, what net force was required to cause this... more

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Physical Science

02/13/14

Atoms are the same element that have the same number of protons but different numbers of neutrons are called

what does this have to do with anything i dont understand i just need help with sciemce PLLLLLEEEEASE! i need at least ONE site to help me out! >:(

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Physical Science

02/10/14

explain the difference between an atom and a molecule

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Physical Science

02/04/14

Three forces, each of 10lb, act on the same object. What is the total maximum force they can exert on the object?

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Physical Science

02/03/14

atoms are electrically neutral because

atoms are electrically neutral because they have a)equally numbers of protons and neutrons b)equal numbers of electrons and neutrons c)equal number of protons and electrons d)no charged... more

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Answers •1

Meg walks 5 blocks south and then turns around and walks 8 blocks back to the north. The distance that she walks is 13 blocks. What is her displacement?

What type of solution has more dissolved solute that is normally predicted?

changes in velocity

Describe of light and explain how it help determine the arrangement of atom and molecules in solids.

construct electron configuration schematic and then use it to diagram the electron configurations of K and S.

Physical Science

construct electron configuration schematic and then use it to diagram the electron configurations of K and S.

what is the atomic mass of the most common isotope of silver as indicated by the periodic table?

name another element that has chemical properties similar to chemical properties of silver?

what is more dense, liquid water or water ice?

Protons neutrons and electrons

describe each of the phases of matter in terms of temperature,vol

Calculating Acceleration and an Algebra 1 problem

explain how the heisenberg principle applies to the current model of the atom

explain in your own words what is meant by the phrase ` evolution of the atom`

A sound wave travels at 343 m/s in air. If a note of frequency 500 Hz is played, how long is the wavelength?

describe the Bohr of the hydrogen atom in terms of energy levels

name and describe thomson`s model of the atom?

Construct a diagram of the electromagnetic spectrum

Which of the following is best described as the study of the nature of matter, especially at the atomic and molecular level?

starting from rest,your swell new car, the zipper slipper,travels 402 M in 16 seconds.

Atoms are the same element that have the same number of protons but different numbers of neutrons are called

explain the difference between an atom and a molecule

Three forces, each of 10lb, act on the same object. What is the total maximum force they can exert on the object?

atoms are electrically neutral because

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