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Author Question: Which of the lines in the figure represents the normal to the surface at point P? a. 1 ... (Read 228 times)

Jipu 123

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on: Jul 28, 2018

Which of the lines in the figure represents the normal to the surface at point P?
   


 
   
  a.
  1
   
  b.
  2
   
  c.
  3
   
  d.
  4
   
  e.
  none of the above

Question 2

A car travels in a flat circle of radius R. At a certain instant the velocity of the car is 24 m/s west, and the total acceleration of the car is 2.5 m/s2 53 north of west. Which of the following is correct?
 a. R = 0.29 km, and the car's speed is increasing.
  b. R = 0.23 km, and the car's speed is decreasing.
  c. R = 0.23 km, and the car's speed is increasing.
  d. R = 0.29 km, and the car's speed is decreasing.
  e. R = 0.29 km, and the car's speed is constant.


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raili21

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

a


Jipu 123

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  • Posts: 569
Reply 2 on: Jul 28, 2018
Excellent

isabelt_18

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Reply 3 on: Yesterday
Gracias!

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