Ask a new Physics question. Multiple AIs will answer your question.

Newest Physics Questions

1. A machine has a VR of 6 and is 80%efficiency what effort would be needed to lift a load of 300N with aid of this machine [62.5N
   1. 1 answer
   2. asked by Abdulrahman Charles
   3. 32 views
2. Which electric component provides energy to the circuit of a flashlight?
   1. 1 answer
   2. asked by Kk
   3. 37 views
3. What is the best measure of spatial resolution?Choose only ONE best answer. A Axial resolution B Lateral resolution C
   1. 1 answer
   2. 40 views
4. How can you strengthen an electromagnet? **Choose all that apply.**a increase the current b increase the number of wire coils c
   1. 1 answer
   2. 22 views
5. which method is used to deliver heat and most central heating systemsa Radiation b Conduction c Convection
   1. 1 answer
   2. 18 views
6. A generator is a device thata Has fan like blades that turn when pushed b Uses an electromagnet to turn an axle c Increases or
   1. 1 answer
   2. 27 views
7. Which causes maglev train to hover above the track?a. attractive magnetic force b. massive batteries c. repellant magnetic force
   1. 1 answer
   2. 26 views
8. what is Electrical Circuits
   1. 1 answer
   2. 28 views
9. Radio waves can broadcast signals using two methods. In amplitude modulation (AM), the frequencies of the carrier wave are
   1. 1 answer
   2. 30 views
10. Classification of solid material
    1. 1 answer
    2. 21 views
11. what is electric clouds
    1. 1 answer
    2. 14 views
12. Which part of the electromagnetic spectrum is divided into seven ranges of wavelengths and is the part visible to the human eye?
    1. 1 answer
    2. 47 views
13. Construction worker uses a pulley system to lift a block. What is one of the purposes of the pulley system
    1. 1 answer
    2. 30 views
14. Is teleportation (not the act of it) instantaneous
    1. 1 answer
    2. 37 views
15. Which is not a type of simple machine?Group of answer choices A. spring B. screw C. pulley D. wedge
    1. 1 answer
    2. 34 views
16. match the item with the current it usesitems: fridge flashlight tv remote oven calculator currents: direct current alternating
    1. 1 answer
    2. asked by LostCoward
    3. 59 views
17. Determine the stopping distance by these factors: __________.A force of impact, inertia, and brake pressure B field of view,
    1. 1 answer
    2. asked by AR
    3. 32 views
18. why are metals within most electronic devices and wires? in three sentences explain
    1. 1 answer
    2. 50 views
19. What causes a maglev train to hover above the track?(1 point)Responses attractive magnetic force attractive magnetic force
    1. 1 answer
    2. asked by u dont know me
    3. 38 views
20. What can be done to improve the efficiency of a ramp?(1 point)Responses Make it shorter and steeper. Make it shorter and
    1. 3 answers
    2. 25 views
21. Which is an example of a load in an electric circuit?(1 point)Responses on-off lever on-off lever wiring wiring speaker speaker
    1. 1 answer
    2. 85 views
22. In your own words, what is the definition of ”the efficiency of a machine?”
    1. 1 answer
    2. asked by uyth
    3. 56 views
23. I feel confident about analyzing and using data to draw conclusions on electric and magnetic fields because
    1. 1 answer
    2. 28 views
24. does hz sounds affect tv signal
    1. 1 answer
    2. 21 views
25. explain how a phpton operates and what it is, can it go back in time?
    1. 3 answers
    2. 40 views
26. If other rife frequencies played will it effec6
    1. 1 answer
    2. 27 views
27. A consultant for an electricity provider is preparing a graph of the hourly consumption of electricity in kilowatt-hours for a
    1. 1 answer
    2. 49 views
28. how do we increase power output short answer
    1. 1 answer
    2. 38 views
29. The voltage produced by a generator.Nominal Ordinal Discrete Continuous
    1. 1 answer
    2. 34 views
30. List two ways that you can increase the strength of electronic magnet waves explain how each method will effectively increase
    1. 1 answer
    2. 64 views
31. Liz is designing a device to communicate with light across a distance by shining a flashlight through different-colored
    1. 1 answer
    2. 29 views
32. We watched the flight of the hot air balloon and its graceful _______ to the ground.apparatus's poise descent elevation
    1. 1 answer
    2. 25 views
33. Explain in 1-3 sentences how micro sound waves are helpful to people
    1. 1 answer
    2. 27 views
34. What is the speed of a rocket that travels 9000 meters in 12.12 seconds?
    1. 1 answer
    2. asked by DanielQuestion 6 is based on the stimulus below:
    3. 41 views
35. Materials that have…. Resistance and resist the flow of electric currents are called….
    1. 1 answer
    2. 42 views
36. Which color shirt might be best to wear outside on a hot day to stay cool, and why?White, because it reflects most of the light
    1. 1 answer
    2. 55 views
37. How does adding a resistor to an electric circuit affect the current? (1 point)The resistor decreases the current by
    1. 1 answer
    2. 93 views
38. Why is the back of a mirror typically painted with a shiny, smooth coating?To increase the reflectivity and protect the mirror
    1. 1 answer
    2. 44 views
39. what is the equation for a machines efficiency
    1. 1 answer
    2. 33 views
40. In particle accelerators such as the one shown, fields are employed to separate different subatomic particles. What type or
    1. 3 answers
    2. 173 views
41. does a 56hz freq or 2 mhz have a lower frequcny
    1. 1 answer
    2. 23 views
42. the enegry produced fby electromagnetic waves is ___
    1. 1 answer
    2. 29 views
43. all waves make up electromagnetci what
    1. 1 answer
    2. 16 views
44. What's the highest mach
    1. 1 answer
    2. asked by Z
    3. 40 views
45. Give an example of speed
    1. 1 answer
    2. 19 views
46. Which of the following describes the change in brightness of a lamp when you add more lamps in series?Adding more lamps in
    1. 1 answer
    2. 56 views
47. How can you measure the voltage across the battery?Put the leads of the voltmeter on either side of the battery while the
    1. 1 answer
    2. 53 views
48. The level of noise in decibels (n) that is permitted during the night in the United Kingdom can be described as n≤24 . What
    1. 1 answer
    2. asked by BOThelper
    3. 99 views
49. Smoke precipitators like the one in the image are used to remove particles from the air. How are electric fields applied in the
    1. 1 answer
    2. 63 views
50. What is one use for infrared waves?A: to power nuclear weapons B: to light desk lamps C: to provide heat for pets or livestock
    1. 1 answer
    2. 33 views
51. What is one use for infrared waves?
    1. 1 answer
    2. 14 views
52. An electromagnet is a coil of wire with a current running through it. This creates an electromagnetic field. An additional
    1. 1 answer
    2. 53 views
53. A particular circuit is made up of a battery, a switch, a buzzer, and wires connecting the components. All of the components are
    1. 1 answer
    2. 43 views
54. Identify the electrical properties of materials that are highly conductive and those that are used in insulation. Use one or two
    1. 1 answer
    2. 53 views
55. What are supersonic speeds?Responses speeds exactly at the speed of sound speeds exactly at the speed of sound speeds at 343 m/s
    1. 1 answer
    2. 55 views
56. Which term is an application of the Doppler effect used by submarines?Responses radar radar scuba scuba radio radio sonar
    1. 1 answer
    2. 57 views
57. Freezers should be kept at _______degrees or lower.Group of answer choices 5 10 0 31
    1. 0 answers
    2. 24 views
58. Draw a diagram of the cross section of a betatron and state the functions of the magnetic field inside it if properly shaped and
    1. 1 answer
    2. 42 views
59. a vehicle travels at 1240km/h for 0.0037 min. determine the distance travelled
    1. 1 answer
    2. 48 views
60. What did each charter do in the Big Bang theory/ The workplace Proximity
    1. 1 answer
    2. 36 views
61. Sound travels fastest in _
    1. 1 answer
    2. 20 views
62. A student is designing a device that can be used for communication. Which two waves on the electromagnetic spectrum can the
    1. 1 answer
    2. 81 views
63. How are sound waves different from light waves?
    1. 1 answer
    2. 64 views
64. Lever's Quick check
    1. 1 answer
    2. 22 views
65. What is one used for for infrared waves?
    1. 1 answer
    2. 25 views
66. What is the independent variable to “ A study was done to find if different tire treads affect the braking distance of a car
    1. 1 answer
    2. asked by Sharlai
    3. 57 views
67. What’s the frequency (in mega hertz) of a beam of red light whose wavelength is 6000 A50,000 MHz 500,000 MHz 5,000,000 MHz
    1. 1 answer
    2. 65 views
68. How far has it travelled
    1. 1 answer
    2. asked by Mercie
    3. 27 views
69. which statement best defines visible light?responsesresponses a change in direction of light when it strikes an object a change
    1. 1 answer
    2. asked by lilacmoon
    3. 41 views
70. The water pressure is applied to retina should be no less than 55 pounds Per square inch what any qualities expresses the
    1. 1 answer
    2. asked by That girl
    3. 66 views
71. Why pipes used to raise fuel in filling stations are narrow? What would happen to the rate of flow if thick pipes were used
    1. 1 answer
    2. 33 views
72. Which equation can you use to calculate the mechanical advantage of a simple machine? (1 point)A. MA= Δxi/Δx0 B. MA =Δx0/Δxi
    1. 1 answer
    2. asked by a helping hand
    3. 76 views
73. Certain waves require a medium, or a material substance, through which to transport energy.True False
    1. 5 answers
    2. 71 views
74. Numerous devices utilize the electromagnetic spectrum, such as radios, cell phones, and medical equipment. When devising a
    1. 1 answer
    2. asked by Disiirl
    3. 158 views
75. 1. A car's speed increases as it merges onto a highway. The car travels at 65 mph on the highway until it slows to exit. The car
    1. 1 answer
    2. asked by escusmi
    3. 86 views
76. make a short sentence with the word accelerate
    1. 1 answer
    2. asked by nn
    3. 57 views
77. It catches the air as it falls and pulls back on the object.”“Humans use a device called a ripcord to trigger the release of
    1. 1 answer
    2. 58 views
78. PartofElectromagnetic Spectrum Frequency(Hz) (FoundintheImageof theText) EnergyLevel (PuteitherLowest,Low,Highest, High/
    1. 3 answers
    2. asked by hi :)
    3. 59 views
79. PartofElectromagnetic Spectrum Frequency(Hz) (FoundintheImageof theText) EnergyLevel (PuteitherLowest,Low,Highest, High/
    1. 1 answer
    2. asked by hi :)
    3. 63 views
80. why do restaurants wash their dishes with hot water?(1 point)Responses The molecules of hot water have more kinetic energy than
    1. 1 answer
    2. 64 views
81. Radar devices are used by law enforcement to be sure that individuals are driving safely. They tell the officer how fast the
    1. 1 answer
    2. asked by Kit Kat :3
    3. 108 views
82. Difference between angular and circular
    1. 1 answer
    2. asked by Taaju
    3. 39 views
83. Numerous devices utilize the electromagnetic spectrum, such as radios, cell phones, and medical equipment. When devising a
    1. 1 answer
    2. asked by dee
    3. 87 views
84. Radar guns are used to measure the speed of moving objects. Radar guns work by projecting radio waves of known frequencies onto
    1. 1 answer
    2. 47 views
85. Which of the following types of electromagnetic energy carries the most energy?A. radio waves B. X-rays C. ultraviolet light D.
    1. 1 answer
    2. 39 views
86. A _______ is a repeating disturbance or vibration that transfers or moves energy from place to place without transporting mass.A
    1. 1 answer
    2. 47 views
87. Which of following describe(s) a way in which radio waves can carry energy?A. through outer space, from a spacecraft back to
    1. 1 answer
    2. 43 views
88. Which characteristic of a spaceship would change if it traveled to the moon?density weight mass volume
    1. 1 answer
    2. 37 views
89. Identify the energy transformations that take place in a battery-powered flashlight: answer
    1. 1 answer
    2. 62 views
90. what radiation is utilized to generate energy in nuclear reactors
    1. 1 answer
    2. 36 views
91. Isabel is flying a drone. She is controlling the drone so that it descends at a constant rate. After descending for 13 seconds,
    1. 1 answer
    2. 67 views
92. Red tape can be used to repair a broken taillight on a car. In one or two sentences, explain how different colors of light are
    1. 1 answer
    2. 43 views
93. What is the unit of measurement for work?
    1. 1 answer
    2. 23 views
94. Which of the following statements correctly explains the relationship between FM and AM radio waves?Type Answer HERE: FM radio
    1. 5 answers
    2. asked by @~@
    3. 159 views
95. In 3–4 sentences, describe how a particle accelerator works and give an example of the applications of the discoveries made
    1. 1 answer
    2. 61 views
96. What enables a convex lens to project an image onto a screen?
    1. 1 answer
    2. 74 views
97. The current flowing in an inductive single-phase circuit has two components. Name them
    1. 1 answer
    2. 74 views
98. A student learns that radio waves are deemed safe, whereas X-rays are considered hazardous. The student examines the provided
    1. 1 answer
    2. asked by Demon
    3. 68 views
99. Which light wavelengths are detectable by the human eyes?(1 point) Responses ultraviolet waves ultraviolet waves visible waves
    1. 3 answers
    2. asked by @~@
    3. 100 views
100. Three identical cars are driving along the highway when they came to a traffic jam car I get stopped at the bottom of a hill
     1. 1 answer
     2. 55 views