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Physics
3. Which form of radiation is used to kill microorganisms?
a. microwaves
b. visible light
c. infrared rays
d. ultraviolet rays
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Colin
Physics
In what types of weather do most collisions occur?
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Isiah Meadows
Physics
What best describes a transverse wave?
A) The displacement of particles is opposite to the direction of wave motion.
B) The displacement of particles is perpendicular to the direction of wave motion.
C) The displacement of particles is in the same the direction of wave motion.
D) The displacement of particles is parallel to the direction of wave motion.
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Fry
Physics
Why a control is needed in a valid experiment
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Jamie Henderson
Physics
Why are satellites placed into orbit at least 150 km above Earth's surface?
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Guest
Physics
Density (D) is defined by mass/volume. Which item decreases as heat is applied?
V
D
M
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Krish
Physics
he chemical formula for glucose is C6H12O6. Therefore, four molecules of glucose will have blank carbon atoms, blank hydrogen atoms, and blank oxygen atoms.
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Rashad Hurst
Physics
A boat is floating in a small pond. the boat then sinks so that it is completely submerged. what happens to the level of the pond?
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Twiggy
Physics
What is the relationship between an object’s temperature and its heat?
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Yellow
Physics
a steel block has a mass of 40g. it is in the form of a cube. each edge is 1.74cm long. calculate the density
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Darryl
Physics
A rightward force of 302 n is applied to a 28.6 kg crate to accelerate it across the floor. thye coefficient of friction between the crate and the floor is 0.750. determine the acceleration
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Abigail Keith
Physics
How the properties of sound waves change as they spread out in a spherical pattern
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Camden Santos
Physics
If legos are plastic can they be recycled?
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Darrell Conrad
Physics
At an accident scene on a level road, investigators measure a car's skid mark to be 93 m long. It was a rainy day and the coefficient of friction was estimated to be 0.35. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes. Express your answer to two significant figures and include the appropriate units
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Araceli Baird
Physics
How does a shorter wavelength affect the frequency of a wave?
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