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Johanna Dickerson
Physics
Fluorine-21 has a half-life of approximately 5 seconds. What percentage of the original nuclei would remain after 20 seconds
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Justice Meza
Physics
Which of these is an example of a totalitarian regime
A.) Canada under prime minister Trudeau's rule
B.) the Soviet Union under Josef lo
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Lilyana Powers
Physics
Since 1 pound = 4.45 newton, what is your earth weight in newtons?
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Jaelyn Hutchinson
Physics
A girl moves at 2m/s delivering newspapers. she throws a newspaper directly behind her at 2m/s. in the frame of reference of someone standing nearby what is the motion of the newspaper.
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Fred
Physics
What forces are acting on matter through contact or no contact
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Collin Noble
Physics
Consider the following when writing your report:
a) Start by making a rough plan for how you will solve the problem. In particular, divide the big problem into two or more smaller problems that each involves one basic physics idea. Write a brief outline of your procedure including a labeled sketch. Identify which physics ideas you need for each part.
b) In the outline of your procedure, identify the physical quantities you will measure, and describe how you will measure each quantity.
c) Construct free body diagrams, and energy and/or momentum bar charts wherever appropriate.
d) Devise the mathematical procedure you will need to solve the problem.
e) List the assumptions about objects, interactions and processes you are making in the procedure. Discuss how the assumptions could affect your result.
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Raiden Harrington
Physics
Two children are bouncing small rubber balls. One child simply drops a ball. At the same time, the second child throws a ball downward so that it has an initial speed of 10 m/s. What is the acceleration of each ball while in motion?
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Tyrese Dyer
Physics
If a girl makes a homemade sling shot that requires a force of 14 N to pull it's pebble (.08kg) into place at 0.1 m from the resting position of the sling shot, the maximum velocity of the pebble will be
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Chewy
Physics
A weightlifter raises a 200-kg barbell with an acceleration of 3 m/s^2. How much force does the weightlifter use to raise the barbell?
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Kali Clay
Physics
How does the law of inertia relate to how the planets in our solar system revolve around the sun?
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Frederick Stein
Physics
Metals combine easily with nonmetals. true or false
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Kiley Ritter
Physics
If a bicyclist has a mass of 70 KG and a velocity of 25M/S, what is the momentum of the bicyclist?
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Jimena Mckenzie
Physics
How much force is required to pull a spring 3.0 cm from its equilibrium position if the spring constant is 3.7 x 103 n/m?
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Frances Frazier
Physics
When did our Solar System begin to form? When did our Solar System begin to form? 5 million years ago 5000 years ago 5 trillion years ago 5 billion years ago
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Amber Bass
Physics
Which describes how radiation moves? radiation moves from a cooler object to a warmer object radiation moves from a warmer object to a cooler object radiation moves from a warm object to an object of the same temperature radiation moves from a cool object to an object of the same temperature
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