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Conceptual Physics Chapter 9 Test Questions and Answers
Conceptual Physics Chapter 9 Test Questions and Answers If the mass of Earth somehow increased with no change in radius, your weight would - Answer-increase also When the distance between two stars decreases by one third, the force between them - Answer-increases to nine times as much You experience weightlessness - Answer-in the absence of a supporting surface in a freely falling elevator momentarily when you step off a chair *all of the answers are correct* If the moon had twice as...
BrightByte
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Conceptual physics unit 4 Test Questions and Answer All Correct
Conceptual physics unit 4 Test Questions and Answer All Correct Which releases the most energy, 100 grams of 100 degrees C water cooling to 50 degree C, or 100 grams of iron at 100 degrees C cooling to 50 degrees C?(The specific heat of iron is 0.12 cal/g C) - Answer-Water Internal energy is the ? - Answer-Total amount of energy contained in an object Heat is measured in ? - Answer-calories, kilocalories, and joules Specific heat capacity is related to the amount of internal energy? - A...
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Conceptual Physics Ch 4 Test Questions with Answers
Conceptual Physics Ch 4 Test Questions with Answers The force of friction can occur A) with sliding objects. B) in water. C) in air. D) all of the above. - Answer-D) all of the above. When Sanjay pushes a refrigerator across a kitchen floor at a constant speed, the force of friction between the refrigerator and the floor is A) less than Sanjay's push. B) equal to Sanjay's push. C) equal and opposite to Sanjay's push. D) more than Sanjay's push. - Answer-C) equal and opposite to...
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Conceptual Physics Chapter 18 Test Questions with Correct Answers
Conceptual Physics Chapter 18 Test Questions with Correct Answers The lowest temperature possible in nature is A) 0 degrees C. B) -273 degrees C. C) 4 K. - Answer-B) -273 degrees C. A volume of air has a temperature of 0 degrees C. An equal volume of air that is twice as hot has a temperature of A) 0 degrees C B) 64 degrees C C) 100 degrees C D) 273 degrees C E) none of the above choices are correct - Answer-D) 273 degrees C To wholly convert a given amount of heat energy into me...
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Conceptual Physics Exam Questions and Answers All Correct
Conceptual Physics Exam Questions and Answers All Correct The charge of an electron is ____. - Answer-Negative Atomic nuclei of almost all elements consist of _____. - Answer-Protons and neutrons Two like charges ____. - Answer-Repel each other Protons and electrons ____. - Answer-Attract each other Electrical forces between charges are normally strongest when the charges are _____. - Answer-Close together Coulomb's law says that the force between any two charges depends _____. - Answ...
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Conceptual Physics Test Questions with Correct Answers
Conceptual Physics Test Questions with Correct Answers An object in mechanical equilibrium is an object in... - Answer-has no acceleration, is at rest, or moving with constant velocity The force of friction on a sliding object is 10 N. The applied force needed to maintain a constant velocity is... - Answer-10 N If no external force are acting on a moving object it will... - Answer-continue moving at the same velocity The two measurements necessary for calculating average speed are.... ...
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Conceptual Physics Practice Test Questions and Answers
Conceptual Physics Practice Test Questions and Answers Speed - Answer-How fast an object moves; the distance traveled per unit of time. Instantaneous speed - Answer-The speed at any instant. Average speed - Answer-The total distance traveled divided by the time of travel. Velocity - Answer-An object's speed and direction of motion. Vector quantity - Answer-A quantity that has both magnitude and direction. Scalar quantity - Answer-A quantity that has only a magnitude, not a direction. ...
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Conceptual Physics Test 1 Questions and Answers All Correct
Conceptual Physics Test 1 Questions and Answers All Correct What is energy? - Answer-the ability to do work What happens to energy in an explosion? - Answer-stored energy is released and converted into heat in a small space, heat vaporizes matter turning into hot gas. What happens when the conversion of heat in an explosion is faster? - AnswerExplosion becomes more dangerous. (a fast conversion of energy to heat causes an explosion) Any form of energy can be converted into what? - Answe...
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Conceptual physics Exam Questions with Complete Solutions
Conceptual physics Exam Questions with Complete Solutions The two measurements necessary for calculating average speed are A) acceleration and time B) velocity and time C) distance and time D) distance and acceleration E) velocity and distance - Answer-Answer: C - distance/time A car maintains a constant velocity of 100 km/hr for 10 seconds. During this interval its acceleration is A) zero B) 10km/hr C) 110km/hr D) 1000km/hr - Answer-Answer: A - zero While an object near the Eart...
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Conceptual physics Exam Questions with Answers
Conceptual physics Exam Questions with Answers radio waves - Answer-A surface that is considered rough for infrared waves may be polished for away from normal - Answer-A beam of light emerges from water into air at an angle. The beam is bent the red glass - Answer-The average speed of light is greatest in below the sighted fish - Answer-If you wish to spear a fish with a regular spear, you should compensate for refraction between the air and water and throw your spear separate from on...
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Examen
Conceptual Physics Test with Correct Answers
Conceptual Physics Test with Correct Answers Distinguish between force and pressure - Answer-Pressure is force/area What is the relationship between liquid pressure and depth of a liquid? Between liquid lressure and density? - Answer-Liquid pressure increases with depth; it increases with density Why does the buoyant force act upward for an object submerged in water? - AnswerThere is greater pressure against the bottom How does the buoyant force that acts on a fish compare with the weig...
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Conceptual Physics Practice Exam Questions with Correct Answers
Conceptual Physics Practice Exam Questions with Correct Answers (t/f) If a hockey puck slides at a constant speed on a perfectly frictionless surface, it is demonstrating Newton's 1st Law - Answer-True (t/f) If you are holding an apple at rest in your palm, the apple's weight and the normal force supporting the apple form an action-reaction pair - Answer-False (t/f) An object in equilibrium must be at rest - Answer-False (t/f) For an object suspended by two separate ropes that is in e...
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Conceptual Physics Ch 9 Test Questions and Answers
Conceptual Physics Ch 9 Test Questions and Answers Newton's most celebrated synthesis was and is of A) earthly and heavenly laws. B) weight on Earth and weightlessness in outer space. C) masses and distances. D) the paths of tossed rocks and the paths of satellites - Answer-A) earthly and heavenly laws. Universal Law of Gravity - Answer-Force ~ mass1 x mass2 / distance Universal Gravitational Constant, G - Answer-F = G (m1 x m2 /distance) G = 6.67E x 10^-11 Nm2/kg2 Mass of Earth - ...
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Conceptual Physics Momentum Exam
Conceptual Physics Momentum Exam Momentum - Answer-The product of the mass of an object and its velocity. Momentum = mass × velocity Momentum is... - Answer-a property of moving things. By momentum we mean... - Answer-Inertia in motion. Momentum in shorthand: - Answer-Momentum→Ρ =mv When direction is not an important factor, we can say: - Answer-Momentum = mass × velocity What is especially important when dealing with momentum? - Answer-Timing The quantity force × time interval...
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Conceptual Physics Chapter 15 Test Questions with Complete Solutions
Conceptual Physics Chapter 15 Test Questions with Complete Solutions When you touch a cold piece of ice with your finger, energy flows A) from your finger to the ice B) from the ice to your finger C) actually, both ways - Answer-A) from your finger to the ice Heat energy travels from an object with a high A) internal energy to an object with a lower internal energy B) temperature to an object with a lower temperature C) Both of these, for they say essentially the say the same thing D...
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Conceptual physics Midterm Exam Questions with Correct Answers
Conceptual physics Midterm Exam Questions with Correct Answers temperature at which a solid state changes to a liquid state - Answer-melting point can result from adding or removing thermal energy - Answer-change of state the change of state from a gas to a liquid - Answer-condensation temperature at which matter changes from liquid to solid - Answer-freezing point stored energy resulting form the interactions between particles or objects - Answerpotential energy vaporization that occur...
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Conceptual Physics Ch 13 Test Questions with Answers
Conceptual Physics Ch 13 Test Questions with Answers When you stand on one foot instead of two, the force you exert on the floor is A) less. B) the same. C) more. D) None of the above. - Answer-B) the same. When you stand on one foot instead of two, the pressure you exert on the floor is A) less. B) the same. C) more. D) None of the above. - Answer-C) more. Twice as much, in fact! Water pressure provided by a water tower is greater if the tower A) is taller. B) holds more water....
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Conceptual Physics Midterm Exam Prep Questions with Correct Answers
Conceptual Physics Midterm Exam Prep Questions with Correct Answers The newton is a unit of a. force b. mass c. inertia d. density - Answer-a. force If an object's mass is decreasing while a constant force is applied to the object, the acceleration a. remains the same. b. decreases. c. increases. - Answer-c. increases. Two billiard balls having the same mass and speed roll toward each other. What is their combined momentum after they meet? a. 0 b. half the sum of their original momentum...
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Conceptual Physics Test Questions with All Correct Answers
Conceptual Physics Test Questions with All Correct Answers The momentum of an object is defined as the object's - Answer-mass times its velocity Which has more momentum, a large truck moving at 30 mph or a small truck moving at 30 mph? - Answer-the large truck Compared to a sports car moving at 30 mph, the same sports car moving at 60 mph has ____. - Answer-twice as much momentum The momentum change of an object is equal to the ____. - Answer-impulse acting on it In order to increase ...
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Conceptual physics Study Questions with Answers
Conceptual physics Study Questions with Answers newtons first law states - Answer-object motion stay in motion and an object at rest at rest the SI unit of force is newtons - Answer-true an object is at equilibrium when there are equal or no forces acting on it - Answer-true what is mass - Answer-quantity of matter what is newtons first law - Answer-an object at rest will stay at rest unless acted upon by another force what is equilibrium - Answer-a state in which opposing forces or i...
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