Which Event Is Explained In The Sequence Of Energy Changes Shown In The Diagram Below?, Chemical Energy->Heat->Mechanical Energu(With Wasted Heat), A.

Which event is explained in the sequence of energy changes shown in the diagram below?

Chemical Energy->heat->mechanical Energu(with wasted heat)
A. a blue spotlight is on
B. a runner doing stretches
C. an electric fan rotates
D. the battery-powered toy runs forward

 

Good Day

Questions:

Which event is explained in the sequence of energy changes shown in the diagram below?

Chemical Energy→ heat → mechanical Energy → (with wasted heat)

Answer:

B. a runner doing stretches

Chemical energy we consumed will be converted to heat energy or mechanical energy when doing some physical activities like running.

We sweat as by product in metabolic activity.

Other choices uses electrical energy to be converted in some other forms of energy.

Hope it helps...=)


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