A medium-sized banana provides about 105 Calories of energy. (a)Convert 105 Cal to joules.  J (b)Suppose that amount of energy is transformed into kinetic energy of a 2.23 kg object initially at rest. Calculate the final speed of the object (in m/s).  m/s (c)If that same amount of energy is added to 3.79 kg (about 1 gal) of water at 17.7°C, what is the water's final temperature (in °C)? The specific heat of water is  c = 4186  J (kg · °C). °C

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
A medium-sized banana provides about 105 Calories of energy.
(a)Convert 105 Cal to joules.
 J
(b)Suppose that amount of energy is transformed into kinetic energy of a 2.23 kg object initially at rest. Calculate the final speed of the object (in m/s).
 m/s
(c)If that same amount of energy is added to 3.79 kg (about 1 gal) of water at 17.7°C, what is the water's final temperature (in °C)? The specific heat of water is 
c = 4186 
J
(kg · °C)
. °C

 

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