Why did the wright brothers construct their own wind tunnel? when they ran their tests, the wrights only allowed one person in the room, and that person always had to stand in exactly the same place. why do you think they took this precaution? how does the angle of attack affect the amount of lift?

Asalesman at a high end computer security firm want to sell you a proactive cover for your passport, which contains an rfid tag inside storing your sensitive information. the salesperson's solution cost only $79.99 and protects your passport from being read via radio waves while it is in your pocket. explain how you can achieve the same thing under $3.00

Howard is designing a chair swing ride. the swing ropes are 5 meters long, and in full swing they tilt in an angle of 29° outside chairs to be 2.75 m above the ground in full swing.

Determine whether the following careers would require training or college.