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Trey Zavala
PhysicsPhysics
When you jump upward, your hang time is the time your feet are off the ground. Does hang time depend on the vertical component of velocity when you jump, the horizontal component of velocity, or both? 1. Both components 2. The horizontal component of your lift-off velocity 3. The vertical component of your lift-off velocity 4. Unable to determine
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Saige
PhysicsPhysics
A Universe Question!

An astronomer see a star that is very far away but still very bright. What can she conclude about the star?

A) The star must be very large.

B) The star must be very small.

C) The star must be moving away from Earth.

D) The star must be moving closer to Earth.
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Kathryn Ashley
PhysicsPhysics
Suppose there is a sample of xenon in a sealed rectangular container. The gas exerts a total force of 6.05 N perpendicular to one of the container walls, whose dimensions are 0.121 m by 0.201 m. Calculate the pressure p of the sample.
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Nickolas Mccullough
PhysicsPhysics
What causes clouds to form on the upwind side of mountain range
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Herring
PhysicsPhysics
According to the law of conservation of matter, what number must be the same on each side of a chemical equation?

1. The number of substances

2. The total number of chemicals symbols

3. The total number of chemical formulas

4. The number of atoms of each element
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Alfonso Livingston
PhysicsPhysics
Which of the following is generally correct concerning the velocity and wavelength of waves in two different materials disturbed in the same way?
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Devan Cline
PhysicsPhysics
When is the next total solar eclipse in illinois
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Isaiah Montgomery
PhysicsPhysics
A certain nuclear power plant is capable of producing 1.2*10^9 W of electric power. During operation of the reactor, mass is converted to energy. How much mass is converted per hour if the efficiency of the plant is 30 percent? (Answer is in kilograms)
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Ramiro Shelton
PhysicsPhysics
How much work, in N*m, is done when a 10.0 N force moves an object 2.5 m?

0.25 N*m

2.5 N*m

25 N*m

4.0 N*m
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Kiley Ritter
PhysicsPhysics
A straight road to the top of a hill is 2500 feet long and make of 12°with the horizontal. find the high of the hill
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Porkchop
PhysicsPhysics
Which electromagnetic wave has the shortest wavelength? (A. Radio waves b. X-rays c. infrared rays or d. Visible light)
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Blaze Cantu
PhysicsPhysics
If blue light hits a red filter, what kind of light comes through the filter?

a. red

b. blue

c. purple

d. no light
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Niko Todd
PhysicsPhysics
The tip of a triangle is held 12.0 cm above the surface of a flat pool of water. A submerged swimmer in the pool sees the tip of the triangle at what distance above the water? Let the indices of refraction nwater = 1.33 and nair = 1.00.
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Steve Ponce
PhysicsPhysics
Which one of the graphs below also corresponds to a historical form of record keeping?

bar graph

pictograph

line graph

pie chart
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Ace Petty
PhysicsPhysics
A 4-W night-light is plugged into a 120-V circuit and oper - ates continuously for 1 year. Find the following: (a) the current it draws, (b) the resistance of its filament, (c) the energy consumed in a year. (d) Then show that for a utility rate of 15¢/kWh the cost for a year's operation is $5.25.
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