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Karla Salinas
Physics
As we move from left to right across the periodic table, what is the general trend? A) Atomic radii increase. B) Electronegavitiy decreases. C) Nuclear shielding increases. D) Metallic character decreases.
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Brittany Flynn
Physics
A net force of 200 newton's is applied to a wagon for 3 seconds. this causes the wagon to undergo a change in momentum of
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Aniyah
Physics
Which of the following was a common life form during the Cambrian Period?
trilobite
bryozoan
land plant
cephalopod
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Birdy
Physics
a 40 kg block is being pulled at constant velocity across a horizontal surface by a 150 N force at an angle 60 above the horizontal. What is the coefficient of kinetic friction between the block and the floor
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Trixie
Physics
Dominoes standing in a row will fall if the first one is tipped towards the others. How does the law of convection of energy describe this?
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Kaylin Ryan
Physics
According to the Doppler effect, objects moving away from Earth would have a cooling appearance. blue shift. red shift. warming appearance.
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Alicia
Physics
You think that something about the regular drink must have made it sink while something about the diet drink made it float
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Kamora Whitney
Physics
A potter's wheel has the shape of a solid uniform disk of mass 7 kg and radius 0.65 m. It spins about an axis perpendicular to the disk at its center. A small 2.1 kg lump of very dense clay is dropped onto the wheel at a distance 0.41 m from the axis.
What is the moment of inertia of the system about the axis of spin?
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Guest
Physics
An object whose mass is 120 kg is located 20 m above a datum level in a location where standard gravitational acceleration exists. Determine the total potential energy, in kJ, of this object.
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Ronnie Mahoney
Physics
Is there an object that can lift a 45-N object
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Jair Sweeney
Physics
How does a quasar differ from a galaxy?
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Delilah White
Physics
How many electrons does an atom of zinc contain?
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Avah Cortez
Physics
During fabrication processes, polymeric materials are generally subjected to which of the following conditions? The ambient temperature. Elevated temperatures. The ambient pressure. Elevated pressures.
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Dwayne Villanueva
Physics
A ball is thrown into the air at an angle. What is the instantaneous velocity of this ball in the vertical direction at the top of its flight?
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Carlie Wilkerson
Physics
Water soaks down into the ground in a process known as
A. infiltration
B. precipitation
C. transpiration
D. condensation
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