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Test your basic knowledge |
Everyday Physics
Start Test
Study First
Subjects
:
science
,
literacy
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
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. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.
Emissive
static fluid formula
pressure at depth h
period p of a mass m oscillating on a horizontal spring of force constant k
2. P x u x A
density of lead
mass flow rate formula
Newton's Second Law
density of lead
3. Initial velocity = acceleration x time
variation of pressure with depth
Radiation
Velocity=
Present velocity
4. The study of heat and its transformation into mechanical energy
Momentum
Thermodynamics
Convert Celsius to Kelven
period p of a mass m oscillating on a horizontal spring of force constant k
5. Mass x velocity
Momentum
Thermal radiation
law of conservation of energy
Period
6. Work done / heat in
Rotational inertia (moment of inertia)
Change in internal energy
Engine efficiency
mechanical wave
7. P(P2-P1)D^4/128Ln n=fluid's viscosity
Rotational inertia (moment of inertia)
Flow through a pipe
1 BTU
Emissive
8. T^4
Newton's Second Law
Thermal radiation
restoring force
Condition for stability
9. 10 m/s^2
density of lead
Acceleration due to gravity on the earth
Flow through a pipe
infrasound
10. 11 -000 kg/m^3
when ice in water melts what happens?
Centripedal acceleration=
Kepler
density of lead
11. The combination of force and point of application
Convert Celsius to Kelven
mass flow rate formula
Total momentum before collision
Torque
12. The change in internal energy= the heat absorbed- the work done
law of conservation of energy
Energy of motion (kinetic energy)
Net force
Power (watts)
13. Kg/m^3
Acceleration due to gravity on the earth
measure of density
Condition for stability
wavelength
14. P(P2-P1)D^4/128Ln n=fluid's viscosity
Flow through a pipe
Aristotle
pressure at depth h
Thermal conductivity
15. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Brahe
Distance traveled
wave
Buoyant force
16. Kg/m^3
Thermal conductivity
Brahe
atmospheric pressure (atm)
measure of density
17. 1 -000 kg/m^3
Convert Celsius to Kelven
density of water
density of lead
Time for an object thrown to reach maximum height
18. 18600 miles/sec
velocity through a medium
Speed of light
azX
amplitude
19. 18600 miles/sec
frequency of light
Condition for stability
Convert Fahrenheit to Celsius
Speed of light
20. 1 / period (time)
Stable
variation of pressure with depth
Frequency
Center of gravity (CG)
21. Speed of light / wavelength
frequency of light
Energy of motion (kinetic energy)
First Law of thermodynamics
Heat
22. V x A= constant
period p of a mass m oscillating on a horizontal spring of force constant k
continuity
Wavelength
pressure does what when depth is increased
23. Velocity squared / radius
viscosity
Centripedal acceleration=
Kepler
definition of Bernoulii's equation
24. 2 -700 kg/m^3
density of lead
atmospheric pressure (atm)
Einstein
density of aluminum
25. A tendency for liquids to resist flowing.
viscosity
Power (watts)
volume fluid flow rate formula
Kepler
26. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Resistance
Equilibrium
1 BTU
infrasound
27. Mass x specific heat x temperature change
entropy
Distance traveled
Heat
Galileo
28. Time required to complete one cycle
Aristotle
Center of gravity (CG)
Period
Net force
29. Pascal (Pa) or pounds per square inch (psi)
definition of Bernoulii's equation
restoring force
Distance traveled
measurement of pressure
30. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Net force=0 net torque?0
Newton
density of lead
31. T(C) +273
First Law of thermodynamics
Rotational inertia (moment of inertia)
Convert Celsius to Kelven
Frequency
32. Current x voltage energy/time (joules per second)
Power (watts)
pressure at depth h
law of conservation of energy
Engine efficiency cannot be 100%
33. If the CG is above the edge - the object will not fall
Thermal radiation
density of aluminum
Condition for stability
Velocity required for an object to reach height h
34. Mass x specific heat x temperature change
Heat
the pressure of liquids _____ when it goes faster
Second law of thermodynamics
mechanical wave
35. Time required to complete one cycle
Mechanics
Period
First Law of thermodynamics
Heat
36. ?
c=3x10^8 m/s
Engine efficiency cannot be 100%
density of water
restoring force
37. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
volume fluid flow rate
Voltage
Radiation
Conduction
38. 100 -000 n/m^2
continuity
Stable structures
atmospheric pressure (atm)
The US uses how much of the total world energy consumption?
39. Current x resistance
variation of pressure with depth
Heat capacity equation
Voltage
Radiation
40. The effectiveness of a material in conducting heat
Projectile
Net force?0 net torque=0
Thermal conductivity
Torque
41. Are wider at the base (which lowers their center of gravity)
Velocity=
Stable structures
Torque
when ice in water melts what happens?
42. 5/9 [T(F)-32]
Conservation of energy
atmospheric pressure (atm)
Convert Fahrenheit to Celsius
Photon energy
43. Force per unit area
density of air
Pressure=
Energy of motion (kinetic energy)
Acceleration
44. Distance traveled / time
Convert Celsius to Fahrenheit
Velocity=
mass flow rate formula
Newton
45. V x A= constant
c=3x10^8 m/s
Wave speed=
continuity
Heat capacity equation
46. A disturbance that propagates through a medium
mechanical wave
ultrasound
Photon energy
Voltage
47. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
density of water
Convert Celsius to Fahrenheit
law of conservation of energy
48. 9/5T(C)+32
velocity through a medium
Torque
Convert Celsius to Fahrenheit
Quantum mechanics
49. It increases
pressure does what when depth is increased
Kepler
Acceleration
definition of Bernoulii's equation
50. The heat transfer by electromagnetic waves - thermal light waves
Heat capacity (specific heat)
Radiation
Aristotle
Present velocity