Why have we been able to build supersonic aircrafts but not supersonic ships?

Why have we been able to build supersonic aircrafts but not supersonic ships?
by

1 Answer

Answer :

Because water has a greater resistance than air, so a boat wouldneed to be incredibly powerful to go supersonic, beyond the limitsof current technology. The current water speed record is 'only'345mph.
by

Related questions

Most aircrafts and ships have their front shape pointed. Why?

Description : Most aircrafts and ships have their front shape pointed. Why?

Last Answer : Ans: The shape of many objects, viz. aeroplanes, rockets, ships, etc. moving through air or water, are designed in such a way that friction can be reduced between the objects and air/water. Such type of body is known as streamlined and the process is known as streamlining.

Which of these is/ are included in the domestic territory of a country? (a) Territory lying within the political frontier including territorial water of the country. (b) Ships and aircrafts operated by the residents of the country between two or more countries. (c) Fishing vessels, oil and natural gas rigs and floating platforms. ; (d) All the three

Description : Which of these is/ are included in the domestic territory of a country? (a) Territory lying within the political frontier including territorial water of the country. (b) Ships and aircrafts operated by the ... (c) Fishing vessels, oil and natural gas rigs and floating platforms. ; (d) All the three

Last Answer : (b) Ships and aircrafts operated by the residents of the country between two or more countries. 

What side during the US Civil War had to build new ships?

Description : What side during the US Civil War had to build new ships?

Last Answer : At the beginning of the US Civil War the US Navy had 90 shipshowever only 40 were commissioned vessels. It also did not have theships needed to conduct a war against the South. The navy lackedthe ... blockading ships. Intime places such as Mobile, Alabama were able to build a few shipsbut not many.

How does a supersonic electric jet airplane work?

Description : How does a supersonic electric jet airplane work?

Last Answer : They don’t work.

Is gravity really enough to pull a person to supersonic velocity?

Description : Is gravity really enough to pull a person to supersonic velocity?

Last Answer : answer:It has already been done. Here My assumption is terminal velocity only works if there is resistance to slow you down.

How well do plug-in supersonic devices work to repel spiders?

Description : How well do plug-in supersonic devices work to repel spiders?

Last Answer : Source: http://www.pestproducts.com/spider.htm Spider Elimination Kit Treat the perimeter of the building with a professional residual pesticide such as Cynoff WP WSB, Demon WP or Suspend SC at maximum strength. ... power dusting with Delta Dust would be best. I've never used these - just google'd.

Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier? -Physics

Description : Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier? -Physics

Last Answer : Yes and no. It depends on the material you are in. In order to keep things from traveling into the past, and thereby preserve local conservation of mass-energy, and thereby prohibit the universe ... eye, it is detected by cameras and serves as an important tool for scientists studying cosmic rays.

Who is the creator of Supersonic Concord ?

Description : Who is the creator of Supersonic Concord ?

Last Answer : France and Britain are the makers of Supersonic Concord.

A supersonic jet produces sonic boom in a

Description : A supersonic jet produces sonic boom in a

Last Answer : A supersonic jet produces sonic boom in a A. Cone-like area behind the jet B. 10-100 km area C. both A and B D. Area of 10 km all around it.

A supersonic jet produces sonic boom in a

Description : A supersonic jet produces sonic boom in a

Last Answer : A supersonic jet produces sonic boom in a A. Cone-like area behind the jet B. 10-100 km area C. both A and B D. Area of 10 km all around it.

If an engineer is designing a building in an area that has an occasional supersonic flight pass over it the engineer should apex?

Description : If an engineer is designing a building in an area that has an occasional supersonic flight pass over it the engineer should apex?

Last Answer : design extra reinforcements in the buildings windows so that they can withstand the vibrations from sonic booms

Supersonic aircraft fly with the speed_____.

Description : Supersonic aircraft fly with the speed_____.

Last Answer : Greater than the speed of sound

A supersonic plane flies at the speed (a) Less than the speed of the sound (b) Of sound (c) Greater than the speed of the sound (d) Of light

Description : A supersonic plane flies at the speed (a) Less than the speed of the sound (b) Of sound (c) Greater than the speed of the sound (d) Of light

Last Answer : Ans:(c)

Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Description : Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Last Answer : (2) ultrasonic sound waves Explanation: The reason that bats use ultrasound is because it has such a high frequency and it has a low diffraction or it bends less. They use this sound to do a ... come faster in a particular area than the rest of the sounds then they know that something is near.

Supersonic jet causes pollution by thinning of - (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer

Description : Supersonic jet causes pollution by thinning of - (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer

Last Answer : (1) O3 layer Explanation: Three forms (or allotropes) of oxygen are involved in the ozone-oxygen cycle: oxygen atoms (O or atomic oxygen), oxygen has (O2 or diatomic oxygen), and ... oxygen radicals. The atomic oxygen radicals then combine with separate O2 molecules to create two O3 molecules.

Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Description : Bats can sense obstacles because they produce – (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Last Answer : (2) ultrasonic sound waves Explanation: The reason that bats use ultrasound is because it has such a high frequency and it has a low diffraction or it bends less. They use this sound to do a ... come faster in a particular area than the rest of the sounds then they know that something is near.

Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Description : Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Last Answer : (3) greater than the speed of sound Explanation: The regimes of flight are subsonic, transonic, supersonic and hypersonic. Vehicles that fly at supersonic speeds are flying faster than the speed of sound. The speed of sound is about 768 miles per hour (1,236 kilometers per hour) at sea level.

Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Description : Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Last Answer : (3) greater than the speed of sound Explanation: Supersonic travel is a rate of travel of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) ... this speed is approximately 344 m/s, 1,125 ft/s, 768 mph, 667 knots, or 1,235 km/h.

Why an increase in area is required to produce an increase of velocity in case of supersonic flow ?

Description : Why an increase in area is required to produce an increase of velocity in case of supersonic flow ?

Last Answer : Increase in area for increase in velocity for supersonic flow is required because the density decreases faster than velocity increases at supersonic speeds and to maintain continuity of mass, area must increase.

What is the high frequency sound that cannot be heard by the human ear? A. Ultrasonic B. Transonic C. Subsonic D. Supersonic

Description : What is the high frequency sound that cannot be heard by the human ear? A. Ultrasonic B. Transonic C. Subsonic D. Supersonic

Last Answer : A. Ultrasonic

Supersonic air plane creates a shock wave called

Description : Supersonic air plane creates a shock wave called

Last Answer : Sonic Boom

The supersonic jets cause pollution by the thinning of (a) O2 layer (b) O3 layer (c) CO2 layer (d) SO2 layer.

Description : The supersonic jets cause pollution by the thinning of (a) O2 layer (b) O3 layer (c) CO2 layer (d) SO2 layer.

Last Answer : (b) O3 layer

In case of supersonic flow of a fluid through pipeline, the 'Mach number' is (A) 0 (B) 1 (C) < 1 (D) > 1

Description : In case of supersonic flow of a fluid through pipeline, the 'Mach number' is (A) 0 (B) 1 (C) < 1 (D) > 1

Last Answer : (D) > 1

Atmospheric pollution caused by the exhaust gas of supersonic transport air-crafts is mostly in the atmospheric region called (A) Thermosphere (B) Stratosphere (C) Troposphere (D) Mesosphere

Description : Atmospheric pollution caused by the exhaust gas of supersonic transport air-crafts is mostly in the atmospheric region called (A) Thermosphere (B) Stratosphere (C) Troposphere (D) Mesosphere

Last Answer : (B) Stratosphere

Indian and Russian scientists successfully test-fired a supersonic cruise missile named (1) GSAT – 1 (2) GSLV (3) Brahmos (4) INSAT –3B

Description : Indian and Russian scientists successfully test-fired a supersonic cruise missile named (1) GSAT – 1 (2) GSLV (3) Brahmos (4) INSAT –3B

Last Answer : Brahmos

Supersonic jet causes pollution by thinning of (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer

Description : Supersonic jet causes pollution by thinning of (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer

Last Answer : O3 layer

Bats can sense obstacles because they produce (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Description : Bats can sense obstacles because they produce (1) supersonic sound waves (2) ultrasonic sound waves (3) infrasonic sound waves (4) micro sound waves

Last Answer : ultrasonic sound waves

What is a good book of illustrated anatomy of modern civil aircrafts?

Description : What is a good book of illustrated anatomy of modern civil aircrafts?

Last Answer : Do you mean like Jane’s Gem Modern Civil Aircraft?

What kind aircrafts would you pick?

Description : What kind aircrafts would you pick?

Last Answer : Northrop P-61 Black Widow Curtiss JN-4 Jenny Gulfstream G650

How are Air-pockets that cause aircrafts to lose altitude suddenly caused? -Do You Know?

Description : How are Air-pockets that cause aircrafts to lose altitude suddenly caused? -Do You Know?

Last Answer : answer:

How are Air-pockets that cause aircrafts to lose altitude suddenly caused?

Description : How are Air-pockets that cause aircrafts to lose altitude suddenly caused?

Last Answer : – Temperature inversions

What is Stealth Technology? A. A device which when attached to an aircraft makes it invisible on the radar B. A technology by using which paratroopers can be dropped stealthily behind the enemy columns C. A coating which reduces the visibility of an aircraft on a radar D. A technology by which it is possible for the aircrafts to spy in the enemy air-space

Description : What is Stealth Technology? A. A device which when attached to an aircraft makes it invisible on the radar B. A technology by using which paratroopers can be dropped stealthily behind the enemy columns C. ... D. A technology by which it is possible for the aircrafts to spy in the enemy air-space

Last Answer : ANSWER: C

Which of the following industries is at Koraput? (1) Ship Building (2) Aircrafts Building (3) Iron and Steel (4) Electric Locomotives

Description : Which of the following industries is at Koraput? (1) Ship Building (2) Aircrafts Building (3) Iron and Steel (4) Electric Locomotives

Last Answer : (2) Aircrafts Building Explanation: Koraput in Odisha is famous for the Engine division of Hindustan Aeronautics Limited (HAL), a defence enterprise of the Government of India. This factory manufactures aircraft engines for MiG and Sukhoi fighter aircraft.

Which among the following is used in making liquors, medicines and as a fuel in aircrafts? (1) Propyl alcohol (2) Dimethyl alcohol (3) Ethyl alcohol (4) Methyl alcohol

Description : Which among the following is used in making liquors, medicines and as a fuel in aircrafts? (1) Propyl alcohol (2) Dimethyl alcohol (3) Ethyl alcohol (4) Methyl alcohol

Last Answer : (3) Ethyl alcohol Explanation: Ethyl alcohol (C2H5), also known as ethanol, is a member of a class of organic compounds that are given the general name alcohols.

Which instrument is used to measure altitudes in aircraft’s? (1) Audiometer (2) Ammeter (3) Altimeter (4) Anemometer

Description : Which instrument is used to measure altitudes in aircraft’s? (1) Audiometer (2) Ammeter (3) Altimeter (4) Anemometer

Last Answer : (3) Altimeter Explanation: Ammeter - Measures strength of electric current. Audiometer - Measures intensity of sound. Anemometer - Measures force and velocity of wind and directions.

What is the frequency range of an aircraft’s Very High Frequency (VHF) communications? A. 118.000 MHz to 136.975 MHz (worldwide up to 151.975 MHz) B. 108.000 MHz to 117.95 MHz C. 329.15 MHz to 335.00 MHz D. 2.0000 MHz to 29.999 MHz

Description : What is the frequency range of an aircraft’s Very High Frequency (VHF) communications? A. 118.000 MHz to 136.975 MHz (worldwide up to 151.975 MHz) B. 108.000 MHz to 117.95 MHz C. 329.15 MHz to 335.00 MHz D. 2.0000 MHz to 29.999 MHz

Last Answer : A. 118.000 MHz to 136.975 MHz (worldwide up to 151.975 MHz)

What type of transmission is radiated from an aircraft’s radio altimeter antenna? A. An amplitude modulated continuous wave B. A pulse position modulated UHF signal C. A differential phase shift keyed UHF signal D. A frequency modulated continuous wave

Description : What type of transmission is radiated from an aircraft’s radio altimeter antenna? A. An amplitude modulated continuous wave B. A pulse position modulated UHF signal C. A differential phase shift keyed UHF signal D. A frequency modulated continuous wave

Last Answer : D. A frequency modulated continuous wave

What is the frequency range of an aircraft’s radio altimeter? A. 962 MHz to 1213 MHz B. 329.15 MHz to 335.00 MHz C. 4250 MHz to 4350 MHz D. 108.00 MHz to 117.95 MHz

Description : What is the frequency range of an aircraft’s radio altimeter? A. 962 MHz to 1213 MHz B. 329.15 MHz to 335.00 MHz C. 4250 MHz to 4350 MHz D. 108.00 MHz to 117.95 MHz

Last Answer : C. 4250 MHz to 4350 MHz

How are Air-pockets that cause aircrafts to lose altitude suddenly caused?

Description : How are Air-pockets that cause aircrafts to lose altitude suddenly caused?

Last Answer : Temperature inversions

Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its (A) High strength to weight ratio (B) Low temperature strength properties (C) Its ability to be cast, rolled, forged & stamped (D) High strength and corrosion & oxidation-resistance at elevated temperature

Description : Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its (A) High strength to weight ratio (B) Low temperature strength properties (C) Its ability ... rolled, forged & stamped (D) High strength and corrosion & oxidation-resistance at elevated temperature

Last Answer : (A) High strength to weight ratio

In which layer of atmosphere does commercial aircrafts usually fly? A. Stratosphere (Answer) B. Troposphere C. Mesosphere D. Thermosphere

Description : In which layer of atmosphere does commercial aircrafts usually fly? A. Stratosphere (Answer) B. Troposphere C. Mesosphere D. Thermosphere

Last Answer : A. Stratosphere (Answer)

What is ‘Stealth Technology‘? A. A device which when attached to an aircraft makes it invisible on the radar B. A coating which reduces the visibility of an aircraft on radar (Answer) C. A Technology by which it is possible for the aircraft’s to spy in the enemy air-space D. A technology by using which paratroopers can be dropped stealthily behind the enemy columns.

Description : What is Stealth Technology ? A. A device which when attached to an aircraft makes it invisible on the radar B. A coating which reduces the visibility of an aircraft on radar (Answer) C ... air-space D. A technology by using which paratroopers can be dropped stealthily behind the enemy columns.

Last Answer : B. A coating which reduces the visibility of an aircraft on radar (Answer)

Two aircrafts, one with a sharp wing profile (S) and the other with a thick profile (T), are flying through the same cloud with the same true airspeed. The cloud consists of small supercooled droplets. Which of the following statements is most correct concerning ice accretion? a. Aircraft T experiences more icing than S b. Aircraft S and T experience the same amount of icing c. Neither of the aircrafts accumulate ice due to the small size of droplets d. Aircraft S experiences more icing than T

Description : Two aircrafts, one with a sharp wing profile (S) and the other with a thick profile (T), are flying  through the same cloud with the same true airspeed. The cloud consists of small  ... aircrafts accumulate ice due to the small size of droplets  d. Aircraft S experiences more icing than T

Last Answer : d. Aircraft S experiences more icing than T

A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to alter the apparent motion of any distant object c. Maximizing the time spent looking in each sector to allow the maximum chance of detecting movement d. Maintaining as far as possible a lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

Description : A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to ... lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

Last Answer : a. Minimizing the duration of eye rests and making as many eye movements as possible

The longitudinal separation minimum based on time between aircrafts at the same FL, where there is enough coverage for navigation aids and the preceeding aircraft has a higher true airspeed of 20kts minimum is: a. 3 minutes b. 15 minutes c. 5 minutes d. 10 minutes

Description : The longitudinal separation minimum based on time between aircrafts at the same FL, where there is enough coverage for navigation aids and the preceeding aircraft has a higher true airspeed of 20kts minimum is: a. 3 minutes b. 15 minutes c. 5 minutes d. 10 minutes

Last Answer : c. 5 minutes

Aircrafts are categorized according to their threshold speeds, multiplied by a factor. What aircraft category corresponds to a range of speeds 141kts – 165kts? a. B b. E c. D d. C

Description : Aircrafts are categorized according to their threshold speeds, multiplied by a factor. What aircraft category corresponds to a range of speeds 141kts – 165kts? a. B b. E c. D d. C

Last Answer : d. C

Who checks, before flight, that the aircraft’s weight is such that the flight can be safely made and that any transported cargo is properly distributed and secured? a. The company’s cargo technicians b. The captain c. The mechanic on board, or in his absence the co-pilot d. The operator

Description : Who checks, before flight, that the aircraft’s weight is such that the flight can be safely made and that any transported cargo is properly distributed and secured? a. The company’s cargo technicians b. The captain c. The mechanic on board, or in his absence the co-pilot d. The operator

Last Answer : b. The captain

With reference to Traffic Collision Avoidance Systems, the difference between TCAS I and II is that: a. TCAS II can provide Traffic Advisories and Resolution Advisories whilst TCAS I can only provide Traffic Advisories b. TCAS II can only be fitted to large aircrafts which carry more than 30 passengers. While TCAS I can be fitted to any aircraft. c. TCAS I can be fitted aircrafts which carry transponders with Mode A only while TCAS II can be fitted to aircrafts whose transponders include either Mode C or Mode S. d. TCAS II can only be to aircraft which are equipped with EFIS

Description : With reference to Traffic Collision Avoidance Systems, the difference between TCAS I and II is that: a. TCAS II can provide Traffic Advisories and Resolution Advisories whilst TCAS I can only provide Traffic ... C or Mode S. d. TCAS II can only be to aircraft which are equipped with EFIS

Last Answer : a. TCAS II can provide Traffic Advisories and Resolution Advisories whilst TCAS I can only provide Traffic Advisories

With reference to Traffic Collision Avoidance Systems: a. RAs may be disregarded only when the pilot visually identifies the potentially conflicting traffic and decides that no deviation is necessary and has the clearance confirmed by ATC b. RAs may be disregarded only when the pilot visually identifies the potentially conflicting traffic and decides that no deviation is necessary and has advised ATC of the other aircraft’s proximity c. RAs must never be disregarded d. RAs may be disregarded only when the pilot visually identifies the potentially conflicting traffic and decides that no deviation is necessary

Description : With reference to Traffic Collision Avoidance Systems: a. RAs may be disregarded only when the pilot visually identifies the potentially conflicting traffic and decides that no deviation ... pilot visually identifies the potentially conflicting traffic and decides that no deviation is necessary

Last Answer : d. RAs may be disregarded only when the pilot visually identifies the potentially conflicting traffic and decides that no deviation is necessary

Two aircrafts, one with a sharp wing profile (S) and the other with a thick profile (T), are flying through the same cloud with the same true airspeed. The cloud consists of small supercooled droplets. Which of the following statements is most correct concerning ice accretion? a. Aircraft T experiences more icing than S b. Aircraft S and T experience the same amount of icing c. Neither of the aircrafts accumulate ice due to the small size of droplets d. Aircraft S experiences more icing than T

Description : Two aircrafts, one with a sharp wing profile (S) and the other with a thick profile (T), are flying through the same cloud with the same true airspeed. The cloud consists of small ... aircrafts accumulate ice due to the small size of droplets d. Aircraft S experiences more icing than T

Last Answer : d. Aircraft S experiences more icing than T