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Examen
Physical Science 101 Exam questions and answers Graded A+ 
latest update 
Inertia -measured by mass; property of things to resist change 
Weight -the gravitational force exerted on an object 
Mass -amount of material that composes an object 
Volume -the s
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---6junio 20262025/2026A+
- Physical Science 101 Exam questions and answers Graded A+ 
latest update 
Inertia -measured by mass; property of things to resist change 
Weight -the gravitational force exerted on an object 
Mass -amount of material that composes an object 
Volume -the space occupied by an object 
Newton's First Law -Law of I
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Examen
Phys Exam questions and answers Graded A+ latest update 
Two billiard balls having the same mass and speed roll toward each other. What is 
their combined momentum after they meet? 
A) half the sum of their original momentums 
B) zero 
C) twice the sum of
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---7junio 20262025/2026A+
- Phys Exam questions and answers Graded A+ latest update 
Two billiard balls having the same mass and speed roll toward each other. What is 
their combined momentum after they meet? 
A) half the sum of their original momentums 
B) zero 
C) twice the sum of their original momentums 
D) need more inform
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Examen
PHYS Exam questions and answers Graded A+ latest update 
iron filings are induced into alignment depending on external magnetic field (like 
polarization) -magnetic field 
North, South -magnetic field lines leave_________ pole of magnet and 
enter _______
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---22junio 20262025/2026A+
- PHYS Exam questions and answers Graded A+ latest update 
iron filings are induced into alignment depending on external magnetic field (like 
polarization) -magnetic field 
North, South -magnetic field lines leave_________ pole of magnet and 
enter _______ pole of magnet 
C. both the same 
-newton's 3rd law -
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Examen
Phys Lab Exam questions and answers Graded A+ latest 
update 
Semipermeable Membrane -Allows certain small molecules (like water, 
ions) to pass while blocking large ones. 
Dialysis Tubing -Models the cell's phospholipid bilayer but allows passage
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---6junio 20262025/2026A+
- Phys Lab Exam questions and answers Graded A+ latest 
update 
Semipermeable Membrane -Allows certain small molecules (like water, 
ions) to pass while blocking large ones. 
Dialysis Tubing -Models the cell's phospholipid bilayer but allows passage 
based only on size, n
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Examen
Phys 1021 Exam questions and answers Graded A+ latest 
update 
5.1, In the game of tetherball, the struck ball whirls around a pole. In what 
direction does the net force on the ball point? -Along the horizontal 
component of the tension force. The vertic
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---17junio 20262025/2026A+
- Phys 1021 Exam questions and answers Graded A+ latest 
update 
5.1, In the game of tetherball, the struck ball whirls around a pole. In what 
direction does the net force on the ball point? -Along the horizontal 
component of the tension force. The vertical tension balances the weight while 
the horizontal tension provides the centripetal force. 
5.4, Two equal-mass rocks tied to strings are whirled in horizontal circles. The 
radius of the circle 2 is twice that of circle 1. If the period of mo...
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Examen
PHYS 1011 Unit 2 Exam questions and answers Graded A+ 
latest update 
law of conservation of charge 
total charge is constant in any process 
- objects may b
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---6junio 20262025/2026A+
- PHYS 1011 Unit 2 Exam questions and answers Graded A+ 
latest update 
law of conservation of charge 
total charge is constant in any process 
- objects may b
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Examen
PHYS 102 Exam questions and answers Graded A+ latest 
update 
How do objects become charged? 
-Charge transfer (rubbing/contact) (like ball and rod) 
-Electrons are transferred from one material to another b/c some materials hold 
electrons more strongly
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---8junio 20262025/2026A+
- PHYS 102 Exam questions and answers Graded A+ latest 
update 
How do objects become charged? 
-Charge transfer (rubbing/contact) (like ball and rod) 
-Electrons are transferred from one material to another b/c some materials hold 
electrons more strongly than others (one gains e and becomes - and the other 
loses e and becomes +) 
Conductor 
a material where electric charges can move freely (if u bring a charge obj near a 
conductor the electrons in
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Examen
PHYS 102 Exam questions and answers Graded A+ latest 
update 
A certain 20- circuit breaker trips when the current in it equals 20 A. What is the 
maximum number of 100-W bulbs you can connect in parallel in an ideal 120-V dc 
circuit witho
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---18junio 20262025/2026A+
- PHYS 102 Exam questions and answers Graded A+ latest 
update 
A certain 20- circuit breaker trips when the current in it equals 20 A. What is the 
maximum number of 100-W bulbs you can connect in parallel in an ideal 120-V dc 
circuit witho
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Examen
PHYS 102 Final Exam questions and answers Graded A+ latest 
update 
Mirror equation: when is F positive? -concave mirror 
mirror equation: when is F negative? -convex mirror 
mirror equation: w
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---6junio 20262025/2026A+
- PHYS 102 Final Exam questions and answers Graded A+ latest 
update 
Mirror equation: when is F positive? -concave mirror 
mirror equation: when is F negative? -convex mirror 
mirror equation: w
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Examen
PHYS 102 Exam questions and answers Graded A+ latest 
update 
Electric Potential Energy 
the stored energy a charge has based on it's location in an electric field 
ΔU = -Wfield = Wext 
ΔK + ΔU = 0 
Unit: joules 
Electric Potential of 2 charges 
U
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---8junio 20262025/2026A+
- PHYS 102 Exam questions and answers Graded A+ latest 
update 
Electric Potential Energy 
the stored energy a charge has based on it's location in an electric field 
ΔU = -Wfield = Wext 
ΔK + ΔU = 0 
Unit: joules 
Electric Potential of 2 charges 
U = kq1q2 / r 
Like charges: U + 
Opp charges: U - 
As r ->∞, U -> 0 
Potential Energy of many charge
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