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Weston Allen
Physics
What coefficients would balance the following equation?
__Al + __O2 → __Al2O3
A. 2Al + 3O2 → 1Al2O3
B. 2Al + 3O2 → 2Al2O3
C. 3Al + 3O2 → 2Al2O3
D. 4Al + 3O2 → 2Al2O3
Answer
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Nancy Rivers
Physics
What do we call the quantity force multiplied by distance
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Clay Blankenship
Physics
The electromagnetic waves with the most energy have the greatest
period
b) wavelength
c)
frequency
d) color
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Sam Dunlap
Physics
What will his final velocity be and how far will fall?
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Aleah Blanchard
Physics
A 5.0 kg object moving at 10 m/s on a frictionless surfaces collides with but does not stick to a 2.0 kg object that is initially at rest. The force on the 2 kg ball has a magnitude of 2000 N and it lasts for 0.01 s. (a) What is the impulse on the 2 kg object
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Jamison
Physics
How does moisture affect a sponge
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Bailey Eaton
Physics
How many degrees does earth rotate to the east every hour?
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Callum Harmon
Physics
A bee flies 25m north of the hive, then 10m east, 5m west and 10m south. how far north and east of the hive is it now?
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Mcpherson
Physics
Examine the unbalanced equation.
KCIO3 → KCl + O2
What is the best classification for the unbalanced equation's reaction?
decomposition
displacement
synthesis
combustion
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Answers (2)
Esperanza Gregory
Physics
In which of the following cases does a car have a negative velocity and a positive acceleration? A car that is traveling in the:
a. + x direction decreasing in speed.
b. - x direction at a constant 20 m/s.
c. - x direction decreasing in speed.
d. + x direction increasing in speed.
e. - x direction increasing in speed.
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Cora
Physics
Name one reason life was impossible on early earth
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Carley Wright
Physics
Molecules can be made of atoms Of
the same element only
different elements only
the same or different elements
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Aniya Bass
Physics
What are glacial grooves?
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Ramon Hampton
Physics
Calcaute the work done by a 47 n force pushing a pencil 0.26m.
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Kaya Potter
Physics
If a car has a speed of 85 m/s and travels for 120 seconds, how far does it go?
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