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Author Question: A marathon is 26mi and 385yd long. Estimate how many strides would be required to run a marathon. ... (Read 197 times)

Coya19@aol.com

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on: Jul 29, 2018
A marathon is 26mi and 385yd long. Estimate how many strides would be required to run a marathon. Assume a reasonable value for the average number of feet/stride
 
  A) 4.5  106 strides B) 4.5  104 strides C) 4.5  105 strides D) 4.5  103 strides

Question 2

Each plate of a parallel-plate air-filled capacitor has an area of 0.0020 m2, and the separation of the plates is 0.020 mm.
 
  An electric field of 3.9  106 V/m is present between the plates. What is the surface charge density on the plates? (0 = 8.85  10-12 C2/N  m2)
  A) 35 C/m2
  B) 73 C/m2
  C) 17 C/m2
  D) 52 C/m2
  E) 87 C/m2


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coyin

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

B

Answer to Question 2

A


Coya19@aol.com

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Reply 2 on: Jul 29, 2018
Wow, this really help

juliaf

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Reply 3 on: Yesterday
:D TYSM

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