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# Pop Quiz: Physics Stats

#### by beforever  Plays Quiz Updated Nov 10, 2017

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Score 0/25 Timer 08:00
12 Plays Today
A car initially at rest accelerates in a straight line at 4 m/s². What will be its speed after 3 seconds? 12 m/s
82.4%
 3 m/s 2.5% 4 m/s 5% 7 m/s 3.5%
Acceleration due to gravity on or near the surface of Earth is ____ m/s². 9.81
73.5%
 6.02 6.2% 6.67 6.4% 9.11 7.7%
How can a positively charged object be described? deficient of electrons
73.2%
 deficient of protons 5.5% deficient of neutrons 4.4% excess of electrons 10.5%
What did Galileo define as the property of a moving object continuing to move? inertia
72.6%
 velocity 11.2% acceleration 6.8% direction 3.1%
Potential energy is the energy possessed by an object due to what? its position
70.3%
 its momentum 13.8% its velocity 5% its acceleration 4.6%
Which device stores and releases electrical charges? capacitor
69.9%
 resistor 4.3% semiconductor 8.4% transistor 10.8%
Which one of the following is not a vector quantity? kinetic energy
69.9%
 force 10% velocity 5.9% acceleration 7.9%
If the current in a wire is 6 amperes, how much charge flows through it in 2 seconds? 12 coulombs
67.1%
 8 coulombs 3.3% 6 coulombs 6% 3 coulombs 17%
How is density defined? mass divided by volume
66.6%
 mass times volume 14.6% mass plus volume 2.2% volume divided by mass 10.2%
Whose law relates the distance a spring stretches to the force applied to the spring? Hooke's law
64.8%
 Le Chatelier's principle 9.5% Boyle's law 12.8% Fermat's principle 6.5%
Which of the following is a physical quantity that has magnitude but no direction? scalar
64.3%
 vector 9.4% resultant 6.4% velocity 13.5%
Which of these can be best defined as the resistance to motion of one object moving relative to another? friction
62.9%
 shear 13.1% tension 8.1% torque 9.4%
Heat transfer by radiation occurs through what? electromagnetic waves
61.9%
 molecular and electronic collisions 19.2% atmospheric currents 6.5% direct contact 5.8%
Momentum is the product of which two properties? mass and velocity
59.6%
 mass and acceleration 17.8% mass and force 6.9% acceleration and force 9.2%
The speed of light is equal to ____ × 10⁸ m/s. 3.00
58.7%
 1.38 13% 6.63 13.5% 8.85 8.1%
In alpha (α) decay, the proton number of parent nuclide…? decreases by 2
58.6%
 increases by 1 12.1% increases by 2 12.3% decreases by 4 10.5%
What is the energy process of our Sun? nuclear fusion
57.8%
 nuclear electromagnetic spectrum 5.6% nuclear fission 24.1% nuclear radioactive decay 6.1%
Which part of the electromagnetic spectrum has the shortest wavelength? gamma rays
56.5%
 infrared 17.6% UV rays 11.5% visible light 8%
A wave with a relatively long wavelength will also have...? a long period
55.9%
 a high frequency 12% a large amplitude 11.3% a small amplitude 14.4%
Which statement says, 'for every action there is an equal and opposite reaction'? Newton's third law of motion
55.7%
 Newton's law of universal gravitation 3.8% Kepler's first law of planetary motion 2% Newton's second law of motion 32%
A newton is equal to which of the following? kilogram-meter per second squared
53.2%
 kilogram-meter per second 14.7% meter per second squared 12% kilogram per meter-second 13.6%
A period of 0.005 seconds would be equivalent to a frequency of how many Hz? 200
48.4%
 20 7.7% 50 16.3% 500 20.9%
Who is the author of The Universe in a Nutshell, On the Shoulders of Giants, and A Brief History of Time? Stephen Hawking
45.1%
 Richard Feynman 17.6% J. Robert Oppenheimer 16.5% Carl Sagan 14%
When a car rounds a curve at high speed, the ____ exerts a centripetal force on ____. road; tires
42.3%
Who received the 1935 Nobel Prize in Physics for the discovery of the neutron? James Chadwick
40.3%
 Paul Dirac 8.7% Enrico Fermi 21.6% Werner Heisenberg 22.7%

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