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Author Question: A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20 above the ... (Read 90 times)

james

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on: Jul 29, 2018
A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20 above the horizontal. How far does the jumper jump?
 
  A) 3.4 m
  B) 6.2 m
  C) 9.4 m
  D) 15 m
  E) 18 m

Question 2

Two equal point charges of magnitude 4.0 C are situated along the x-axis at x1 = -2.0 m and x2 = -2.0 m. What is the electric potential energy of this system of charges?
 
  A) -36 mJ
  B) 36 mJ
  C) 0 J
  D) -72 mJ
  E) 72 mJ


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courtney_bruh

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

C

Answer to Question 2

B


james

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Reply 2 on: Jul 29, 2018
Gracias!

anyusername12131

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Reply 3 on: Yesterday
Excellent

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