This topic contains a solution. Click here to go to the answer

Author Question: The airplane was invented by A) Wilbur and Orville Wright. B) Chanute and Lilienthal. C) ... (Read 70 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
The airplane was invented by
 
  A) Wilbur and Orville Wright.
  B) Chanute and Lilienthal.
  C) Langley.
  D) All of the above

Question 2

Before the Wright brothers, there had been
 
  A) successful glides starting with George Cayley.
  B) no other work done on flight.
  C) no successful glides or powered flights.
  D) successful glides starting with Otto Lilienthal.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

BUTTHOL369

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

Answer: D

Answer to Question 2

Answer: D




Awilson837

  • Member
  • Posts: 509
Reply 2 on: Aug 4, 2018
Gracias!


bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

For a complete list of videos, visit our video library