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Elsa
PhysicsPhysics
How fast do differnt parts of the em spectrum travel in a vaccuum
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Armani Hardy
PhysicsPhysics
If the wavelength of a sound wave increases and the frequency of the sound wave does not change what happens to the speed of the wave?

a. it will stay the same

b. it will decrease

c. it cannot be determined

d. it will increase
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Ayaan Simmons
PhysicsPhysics
What force is required to give an object with mass 2000 kg an acceleration of

3.5 m/s2?

A. 571 N

B. 7000N

C. 10,500 N

D. 2535 N
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Lauren Preston
PhysicsPhysics
A nerve signal is like a wave. how does this work?
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Jaqueline Hess
PhysicsPhysics
Mechanical advantage describes how machines

a) multiply the input by force

b) are manufactured

c) change the total amount of work that is done
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Thumper
PhysicsPhysics
Which of the following is an example of potential rather than kinetic energy?

light flashes emitted by a firefly

a molecule of glucose

a crawling beetle foraging for food

water rushing over Niagara Falls
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Carla Marsh
PhysicsPhysics
What are three good things plate tectonics provide for humans?
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Brooke Zimmerman
PhysicsPhysics
It is 25 miles from your house to a friend's house. Which unit conversion

fraction should you use to find the distance in kilometers?

A. 1 km/1 mi

B. 1 mi / 0.6 km

C. 1 km / 0.6 mi

D. 0.6 km / 1 mi
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Tristen Byrd
PhysicsPhysics
Through which medium will sound travel most rapidly?
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Ansley Weaver
PhysicsPhysics
mackinzie walks 4 blocks west, then 2 blocks south, then 4 blocks east, and, finally, 1 block south. what is the magnitude of her total displacement (in blocks) ?
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Guest
PhysicsPhysics
What is necessary for a convection cell to be set up in a fluid?

A) Changes in density

B) Thermal gradient

C) Thermal gradient and changes in the density
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Katelyn Barber
PhysicsPhysics
When one person shouts at a football game, the sound intensity level at the center of the fi eld is 60.0 dB. When all the people shout together, the intensity level increases to 109 dB. Assuming that each person generates the same sound intensity at the center of the fi eld, how many people are at the game?
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Luca
PhysicsPhysics
What is the acceleration due to earth's gravity at a distance from the center of the earth equal to the orbital radius of the moon?
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Amiah Winters
PhysicsPhysics
How to find final velocity given mass and initial velocity only?
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Kendall Robertson
PhysicsPhysics
We are trying to reduce the current time of 15s by 30% but this leads to an increase of 18% in the CPI. For each processor, what clock rate should we have to achieve this time reduction?
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