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kolbaska11 [484]
3 years ago
8

A piece of candy has 5 calories (or 5000 calories). if it could be burned, leaving nothing but carbon dioxide and water, how muc

h heat would it give off?
Physics
2 answers:
posledela3 years ago
8 0
A) 500 calories 
B)5000 joules
C) 5 kilocalories 

Answer is C
satela [25.4K]3 years ago
5 0

Answer:

5 kilocalories

Explanation:

The heat is a way of energy and it can be measured by calories, but the calories of the heat (thermal calories) are different for the food Calories.

1 food Calories = 1000 thermal calories

5 food Calories = 5000 calories = 5 kilocalories

Thus, when a piece of candy is totally burned, the thermal calorie presented in it will be released as heat.

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3 years ago
The net force on an object moving with constant speed in circular motion is in which direction
ipn [44]

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2 years ago
A car travels initially at 24 m/s, until it enters the highway. If the car accelerates at 4 m/s^2 for a 96 meters, what is the c
marishachu [46]
  • initial velocity=u=24m/s
  • Acceleration=a=4m/s^2
  • Distance=s=96m
  • Final velocity=v

Using 3rd equation of kinematics

\boxed{\Large{\sf v^2-u^2=2as}}

\\ \Large\sf\longmapsto v^2=u^2+2as

\\ \Large\sf\longmapsto v^2=24^2+2(4)(96)

\\ \Large\sf\longmapsto v^2=576+768

\\ \Large\sf\longmapsto v^2=1344

\\ \Large\sf\longmapsto v=\sqrt{1344}

\\ \Large\sf\longmapsto v=36.6m/s

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Read 2 more answers
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