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Vanessa Byrd
Liam is two-years old. His mother is concerned about his behavior. Liam is very different from how his sister Briana was when she was his age. He does not make eye contact. When she smiles at him, he doesn't smile back. He doesn't seem to like her hugging or kissing him. It seems that Liam has
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Mckenzie Golden
550 g of water at 105°C is poured into an 855 g aluminum container with an initial temperature of 11°C. The specific heat of aluminum is 900 J / (kg K). How much heat flows from the water to the aluminum, assuming no heat is exchanged with the surroundings?
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Lilliana Sexton
what occurs when the soccer ball contacts the hands or arm of any player on the field except the goalkeeper?
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Conley
Sand on a beach is covered by other layers of sand over time. The extra layers compress the first layer, packing it tighter and tighter. Over time, the bottom layers of sand have formed into sandstone, with colored bands showing the different layers.

What kind of rock can sandstone be classified as?

A. igneous rock

B. volcanic rock

C. sedimentary rock

D. metamorphic rock
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Yael Barber
How do i solve A sound wave has a frequency of 658 Hz in air

and a wavelength of 0.46 m.

What is the temperature of the air? Assume the velocity of sound at 0◦C is 331 m/s.

Answer in units of ◦C
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Guest
How has the space program affected Florida's culture
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Lola Heath
A batter hits a foul ball. The 0.140-kg baseball that was approaching him at 40.0 m/s leaves the bat at 30.0 m/s in a direction perpendicular to the line between the batter and the pitcher. What is the magnitude of the impulse delivered to the baseball?
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Braxton Chen
Some wave characteristics depend upon how the wave is produced. other wave characteristics depend upon the properties of the medium. which one wave characteristic is solely dependent upon the properties of the medium and independent of the way that the wave is produced?
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Abigayle Dunlap
If 30 N of force is exerted over an area of 20 m2, how much pressure is being applied?

A. 1.5 pascals

B. 50 pascalsC.

C. 600 pascals
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Moshe
A cannon recoils from launching a cannonball. The speed of recoil is small because the?
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Dilly Dally
Which statement is correct
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Allan Mcgee
The toxic effects of water pollution are generally
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Mary York
Thermal energy flows spontaneously from hotter objects to colder ones.

a. True

b. False
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Skylar Mckay
What are the three important functions of your bones
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Yasmin Nguyen
Two slits in an opaque barrier each have a width of 0.020 mm and are separated by 0.050 mm. When coherent monochromatic light passes through the slits the number of interference maxima within the central diffraction maximum: Group of answer choices is 1 is 4 is 2 is 5 cannot be determined unless the wavelength is given
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