What does Krakauer hope to avoid by moving quickly up the face on the one rope? A) Altitude sickness. B) Frostbite. C) Falling into a crevasse. D) Running out of supplies.
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A planet moves fastest when it is ___________________ to the Sun and slowest when it is ___________________ from the Sun. Choose one: A. farthest; closest B. at the nearest focus; at the farthest focus C. closest; farthest
In the diagram, what is happening to the temperature at Point B? Question 6 options: A. The temperature is rising as the molecules break apart from each other B. The temperature is not rising because the heat is being used to break the connections between the molecules C. The temperature is dropping as the molecules break apart from each other D. The temperature is rising as the substance melts E. The temperature is not rising because the molecules are slowing down
H2SO4 goes to HSO4 Did it gain or lose a proton? Is it a Bronsted-Lowery acid or base?
How does the magnetic force exerted by a magnet change as the distance between two magnets increases
C.) Transmission
D.) Emission
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Cause it us measured by how much the wall absorbs and doesn’t let pass through.
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in formula transformation
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Here are the answers both ways:
3 times Y = 4w
Divide each side of the equation by 3 :
Y = (4/3) w
3xY = 4w
Divide each side of the equation by 3 :
xY = (4/3) w
Divide each side by 'x' :
Y = (4w) / (3x)
B. Rapidly spinning proto-galactic clouds
C. Colliding/merging proto-galactic clouds
D. Rapidly cooling proto-galactic clouds
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The Milky Way is an example of a spiral galaxy.
Spiral galaxies came from a rapidly spinning proto-galactic clouds. They are formed from the collapse of a proto-galactic cloud.
Answer:
B. Rapidly spinning proto-galactic clouds
Explanation:
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mass = density x volume
We are told the density and must find the volume from the dimensions given
the volume of the washer will be the area x thickness (remembering to convert all measurements to meters)
if the washer had no hole, its area would be pi (0.0225m)^2 (remember to convert to meters and to use radius)
the area of the hole is pi(0.00625m)^2
so the area of the washer is pi[(0.0225m)^2 - (0.00625m)^2] = 1.5x10^-3 m
the volume of the washer is 1.5x10^-3 m x 1.5x10^-3 m = 2.25x10^-6 m^3 (the thickness of the washer is 1.5 mm = 1.5x10^-3m)
thus, the mass of the washer = 8598kg/m^3 x 2.25x10^-6m^3 = 0.0189kg = 18.9 grams
B. The force does not result in displacement
C. The force and displacement are perpendicular to each other
D. The force and displacement are in the same direction
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Answer:
Work is said to occur when a force is able to cause displacement of an object in the direction of the applied force. It is given by the scalar product of force and displacement.
W = F.s = F s cos θ
Thus, no work is being done when no force is applied ( ∵ F = 0, W = 0) or the force does not result into displacement (∵ s = 0, F = 0) or when the force and displacement are perpendicular to each other (∵ θ =0, cos θ =0, W =0).
Answer: D. The force and displacement are in the same direction
Explanation: The guy above me is trying to hard to put information into his answer...