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Author Question: Two resistors of 5.0 and 9.0 are connected in parallel. A 4.0- resistor is then connected in series ... (Read 263 times)

lidoalex

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on: Jul 27, 2018
Two resistors of 5.0 and 9.0  are connected in parallel. A 4.0- resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination.
 
  (a) What is the current through the 4.0- resistor?
  (b) What is the current through the 5.0- resistor?
  (c) What is the current through the 9.0- resistor?

Question 2

A camper is about to drink his morning coffee. He pours 400 grams of coffee, initially at 75.0C into a 250-g aluminum cup, initially at 16.0C.
 
  What is the equilibrium temperature of the coffee-cup system, assuming no heat is lost to the surroundings? The specific heat of aluminum is 900J/(kgK). Assume that the specific heat of coffee is the same as the specific heat of water. A) 45.5C
  B) 62.0C
  C) 65.0C
  D) 68.0C
  E) 71.0C


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chjcharjto14

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Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 0.83 A
(b) 0.53 A
(c) 0.30 A

Answer to Question 2

D


lidoalex

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Reply 2 on: Jul 27, 2018
:D TYSM

elyse44

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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