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Question


A man eats glucose and then he makes a block move, which then comes to rest after sliding on a rough floor. The correct order of energy changes can be:


Options:
A .   Chemical - Heat - Kinetic
B .   Chemical - Kinetic - Heat
C .   Heat - Kinetic - Chemical
D .   Kinetic - Chemical- Heat
Answer: Option B
:
B

The man got chemical energy by the intake of glucose which then transformed into kinetic energy and as it slides on a rough floor, it would eventually come to rest due to friction, in which heat will be released.



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