physics question

the concorde is the fastest airline used for commercial service.it can cruise 1450 mile per hour (about two time speed of sound ) what is in m/ sec (1)644.4m/sec (2)80 m/sec (3)40m/sec (4)none

• Omkar
• 3114 查看
• 3 答案

• and is (1) as 1 mile = 1609m so 1609*1450/3600 u will get the ans

  • Akanksha
  • 11 2月
  • 0 评论

  1

  ---

• a)644.4m/sec might be the ans. as The Hint given in the bracket tell us that it is 2times the speed of sound means it becomes nearby 340×2=680 and remaining may be the resistance opposing it.. wht is the ans Dear Frnd.?

  • Shailendra
  • 02 2月
  • 0 评论

  1

  ---

• at which tropical level energy stored is maximum
• what should i do to score good marks in the aplitude and general knowledge part of question
• Hi all. What do you think now? How do you do? I want to ask a question.
• If 10 identical cells can heat up to a certain temp. in certain time then how many no. of cells are required to heat a wire of double length upto same temp. and same time??
• Is there any trick to identify optical isomers?
• what would be the best preparation for aiims.will cbse books be good?
• is mtg chaptetwise previous yrar question book helps for getting good score in aiims 2017
• photosynthesis is continous while cell growth is exponential is this assertion is true
• order for melting $ boilong point
• At a particular locus frequency of allele A is 0.6 and that of allele a is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium