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Author Question: The airspeed of an airplane is 100 km/h. When it is caught in a 100-km/h right-angled crosswind, its ... (Read 91 times)

luvbio

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on: Jul 29, 2018
The airspeed of an airplane is 100 km/h. When it is caught in a 100-km/h right-angled crosswind, its speed across the ground below is about
 
  1) 0 km/h.
  2) 100 km/h.
  3) 140 km/h.
  4) 200 km/h.
  5) more than 200 km/h.
 
  If the airplane changes direction and flies at 60 degrees to the wind, its ground speed will
  6) decrease.
  7) remain the same.
  8) increase.

Question 2

A block is pulled across a floor as shown in the vector diagram. The force vector F has the greater component in the
 
  1) horizontal direction,
  2) vertical direction,
 
  and this component is
  3) larger than the vector F.
  4) smaller than the vector F.
  5) equal to the vector F.


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Koolkid240

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: 3, 8

Answer to Question 2

Answer: 1, 4


luvbio

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Reply #2 on: Jul 29, 2018
TY


Koolkid240

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Reply #3 on: Jul 29, 2018
You're welcome


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