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Author Question: A force of 130 N is applied to a 50-kg mass in the direction of motion for a distance of 6.0 m and ... (Read 30 times)

jace

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on: Jul 28, 2018
A force of 130 N is applied to a 50-kg mass in the direction of motion for a distance of 6.0 m and then the force is increased to 170 N for the next 4.0 m. For the 10 m of travel, how much work is done by the varying force?
 a. 1.5E+3 J
  b. 1.5E+3 J
  c. 7.3E+4 J
  d. 2.9E+2 J
  e. 1.4E+3 J

Question 2

A baseball catcher puts on an exhibition by catching a 0.200-kg ball dropped from a helicopter at a height of 150 m above the catcher. If the catcher gives with the ball for a distance of 0.755 m while catching it, what average force is exerted on the mitt by the ball? (g = 9.80 m/s2)
 a. 39.7 N
  b. 294 N
  c. 389 N
  d. 399 N
  e. 1110 N


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izzat

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

b

Answer to Question 2

c


jace

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  • Posts: 541
Reply 2 on: Jul 28, 2018
:D TYSM

coreycathey

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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