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Author Question: A tennis player wants to slam a serve at O so that the ball lands just inside the opposite corner of ... (Read 128 times)

asd123

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on: Jul 28, 2018
A tennis player wants to slam a serve at O so that the ball lands just inside the opposite corner of the court. What should the ratio be for the initial velocity ? The time t = 0 is the time when the ball is hit by the racket.
 
 
 
   
  a.
  W/L
   
  b.
  L/W
   
  c.
 
   
  d.
 
   
  e.
 

Question 2

Two cooks standing side by side in a restaurant pull their beaters out of the dough at the same instant. A glob of dough flies off each beater. Each glob lands on the top of a tin the same horizontal distance away and at its initial height. However, one lands later than the other. The explanation is that they left the beaters at angles 1 and 2 such that:
   
  a.
  2 = 1.
   
  b.
  1 + 2 = .
   
  c.
  1 + 2 = .
   
  d.
  1 + 2 = .
   
  e.
  1  2 = .


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trog

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

b

Answer to Question 2

c


asd123

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

aliotak

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Reply 3 on: Yesterday
Excellent

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