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Test your basic knowledge |
Everyday Physics
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Subjects
:
science
,
literacy
Instructions:
Answer 50 questions in 15 minutes.
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study here
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. 2 -700 kg/m^3
Galileo
Time for an object thrown to reach maximum height
frequency of light
density of aluminum
2. V1 x A1=v2 x A2
when ice in water melts what happens?
Change in internal energy
Net force?0 net torque=0
incoming and outgoing flow rate formula
3. Sounds below 30 Hz
Velocity required for an object to reach height h
Resistance
Conduction
infrasound
4. Decreases
Heat capacity equation
the pressure of liquids _____ when it goes faster
Total momentum before collision
Internal energy
5. 10 m/s^2
Net force
volume fluid flow rate
Acceleration due to gravity on the earth
Velocity required for an object to reach height h
6. ?
Velocity required for an object to reach height h
viscosity
First Law of thermodynamics
c=3x10^8 m/s
7. The sum of the energy of all the molecules in the system
Projectile
Speed of light
Internal energy
Brahe
8. The heat transfer by electromagnetic waves - thermal light waves
The US uses how much of the total world energy consumption?
volume fluid flow rate
law of conservation of energy
Radiation
9. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
Total momentum before collision
Thermodynamics
The US uses how much of the total world energy consumption?
10. The study of heat and its transformation into mechanical energy
Thermodynamics
Engine efficiency
period p of a mass m oscillating on a horizontal spring of force constant k
Change in internal energy
11. 1 -000 kg/m^3
Period
Newton
Speed of light
density of water
12. Velocity squared / radius
wave
Stable
variation of pressure with depth
Centripedal acceleration=
13. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
Net force=0 net torque?0
Present velocity
Centripedal acceleration=
14. Pascal (Pa) or pounds per square inch (psi)
Radiation
Heat capacity (specific heat)
Momentum
measurement of pressure
15. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Time for an object thrown to reach maximum height
Quantum mechanics
Photon energy
Heat capacity (specific heat)
16. P x u x A
measurement of pressure
The US uses how much of the total world energy consumption?
infrasound
mass flow rate formula
17. 18600 miles/sec
Weight
Speed of light
Net force
Newton
18. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Conservation of energy
Second law of thermodynamics
Period
volume fluid flow rate
19. Time= the square root of 2 x height / acceleration due to gravity
Total momentum before collision
entropy
Time for an object thrown to reach maximum height
Physics
20. Decreases
Galileo
the pressure of liquids _____ when it goes faster
Newton
Center of gravity (CG)
21. C / f
Emissive
Period
Aristotle
Wavelength
22. ?
c=3x10^8 m/s
Quantum mechanics
mass flow rate formula
Convert Fahrenheit to Celsius
23. A disturbance that propagates through a medium
order of states of matter stronger to lesser forces between atoms
velocity through a medium
density of air
mechanical wave
24. Number density x temperature
pressure depends on
Acceleration
Newton
Brahe
25. If energy is transferred and the internal energy of system B decreases by some amount then the internal energy of system A must incrase by the same amount.
1 BTU
infrasound
Galileo
First Law of thermodynamics
26. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.
Einstein
Convert Celsius to Kelven
Galileo
Acceleration
27. Equals total momentum after collision
Einstein
Total momentum before collision
frequency of light
Velocity=
28. 1.25 kg/m^3
density of air
amplitude
period of a pendulum T of length L
Centripedal acceleration=
29. Mass x specific heat x temperature change
Heat
Stable structures
Galileo
Galileo
30. Current x voltage energy/time (joules per second)
when ice in water melts what happens?
measure of density
Power (watts)
Internal energy
31. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.
Torque
Energy of motion (kinetic energy)
Galileo
Centripedal acceleration=
32. Sounds above 20 -000 Hz
ultrasound
Fluid force
wavelength
Engine efficiency cannot be 100%
33. Speed of light / wavelength
frequency of light
Speed of light
Fluid force
velocity through a medium
34.
Newton
Distance traveled
incoming and outgoing flow rate formula
c=3x10^8 m/s
35. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
velocity through a medium
Buoyant force
Acceleration due to gravity on the earth
Kepler
36. Kg/m^3
Internal energy
measure of density
Radiation
First Law of thermodynamics
37. A disturbance that propagates through a medium
Wavelength
Convert Celsius to Fahrenheit
Thermal radiation
mechanical wave
38. Voltage / current
viscosity
Frequency
Power (watts)
Resistance
39. Length of a wave
Engine efficiency
Newton
Conservation of energy
wavelength
40. Force per unit area
mass flow rate formula
Centripedal acceleration=
Pressure=
period of a pendulum T of length L
41. Mass x gravity
Weight
Rotational inertia (moment of inertia)
Velocity required for an object to reach height h
variation of pressure with depth
42. V x A= constant
continuity
volume fluid flow rate formula
wavelength
density of aluminum
43. 25%
Conduction
Convection
The US uses how much of the total world energy consumption?
Second law of thermodynamics
44. The total disorder of an object
Velocity=
Stable
entropy
Thermodynamics
45. Force per unit area
the pressure of liquids _____ when it goes faster
Pressure=
Emissive
Rotational inertia (moment of inertia)
46. Number density x temperature
ultrasound
Emissive
pressure depends on
Einstein
47. 18600 miles/sec
Rotational inertia (moment of inertia)
Speed of light
Centripedal acceleration=
Heat
48. T^4
Thermal radiation
Wavelength
Thermodynamics
Physics
49. Are wider at the base (which lowers their center of gravity)
static fluid formula
density of aluminum
velocity through a medium
Stable structures
50. Z+n
Period
azX
entropy
static fluid formula
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