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Viviana Hansen
Physics
A rock dropped from a 20 meter bridge falls into the river below. How long did it take to reach the water? What velocity did it hit the water with.
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Serenity Gonzalez
Physics
Which of the following is a characteristic of an electromagnetic wave?
A. It travels at the speed of light
B. It can be transverse or longitudinal
C. It involves displacing a medium in the same direction the wave moves
D. It requires a medium to travel through
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Peyton Cardenas
Physics
If 50% of a radioactive element remains after 4000years what is the half life
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Raven Weber
Physics
What process is responsible for producing sediments that become the layers of sedimentary rock?
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Jermaine Dyer
Physics
Which type of electromagnetic radiation carries the most energy and has the highest frequency?
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Will Ramsey
Physics
If a photon has a frequency of 5.20 * 10ÜÊ hertz, what is the energy of the photon?
Given: Planck's constant is 6.63 * 10È³Ê joule·seconds.
a-3.45x10^-19
b-7.91x10^-16
c-4.32x10^-14
d-3.43x10^-14
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Leonard Herring
Physics
Which action will slow down the rate of a reaction
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Shiloh Gray
Physics
You are racing your dog next to a football field. You run from the 10 yard line to the 50 yard line, then turn around and run back to the 30 yard line. What is your distance? What is your displacement?
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Ian Hogan
Physics
Which of the following statements about degeneracy pressure is not true?
a) Black holes form when gravity overcomes neutron degeneracy pressure.
b) Degeneracy pressure arises from a quantum mechanical effect that we don't notice in our daily lives.
c) Degeneracy pressure can continue to support an object against gravitational collapse even if the object becomes extremely cold.
d) Degeneracy pressure can arise only from interactions among electrons.
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Joey Lowery
Physics
A bar magnet and a second object are hung from metal rods. The diagram below shows what happens when both objects are released. Which best describes the object on the right? an iron bar a steel bar a bar magnet with its north pole on the left a bar magnet with its south pole on the left
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Shelton
Physics
Which measurement below has three significant figures?
A. 12,300 lbs
B. 12.02 m
C. 0.2004 g
D. 0.018 km
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Oprah
Physics
When you stand by the side of a pool someone swimming underwater appears to be in a different location than she really is the effect is called what
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Cameron Charles
Physics
A 905 kg test car travels around a 3.25 km circular track. If the magnitude of the centripetal force is 2140 N, what is the car's speed?
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Alyson Hayes
Physics
Receiver
Questions:
1) Going back to the idea of a plane before take off. Why was the sound of the engine louder when it goes from low to high power
goes from low to high power?
Use the terms volume, energy, and amplitude to explain your answer
2) Graph what the sound wave would look like for a 2 year old girl laughing and a 40 year old man
laughing
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Taliyah Bond
Physics
How much uninterrupted time should you set aside to do homework?
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