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Author Question: A baseball catcher puts on an exhibition by catching a 0.150-kg ball dropped from a helicopter at a ... (Read 67 times)

asmith134

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on: Jul 28, 2018
A baseball catcher puts on an exhibition by catching a 0.150-kg ball dropped from a helicopter at a height of 100 m above the catcher. If the catcher gives with the ball for a distance of 0.500 m while catching it, what average force is exerted on the mitt by the ball? (g = 9.80 m/s2)
 a. 78 N
  c. 197 N
  b. 119 N
  d. 295 N

Question 2

What is the change in entropy (DS) when two moles of silver (108 g/mole) is completely melted at 961C? (The heat of fusion of silver is 8.82  104 J/kg.)
 a. 5.53 J/K
  c. 15.4 J/K
  b. 7.72 J/K
  d. 12.1 J/K


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cclemon1

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

D

Answer to Question 2

C


asmith134

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Reply 2 on: Jul 28, 2018
Wow, this really help

diana chang

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Reply 3 on: Yesterday
:D TYSM

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