Anarghya2010
Answered

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A table tennis ball is made of plastic and has air inside it. While playing table tennis, Nakul
accidentally stepped on the ball and it was dented as shown below.What can Nakul do to restore the ball to its original shape?
A. heat the ball in hot water
B. cool the ball in the freezer
C.press the ball hard from the other side
D. bounce the ball on the floor multiple times

Sagot :

The answer is A because air expands when heated. The expansion of the air will “pop” out the dent from the inside.
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