If you push a book across a table, which of the following describes the reaction force? A). The book pushes on you.
B). The book pushes on the table.
C). You push on the table.
D). The table pushes on the book.
If you push a book across a table, which of the following describes the reaction force? A). The book pushes on you.
B). The book pushes on the table.
C). You push on the table.
D). The table pushes on the book.
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explanation:
The answer is the potential energy of the bob at position b is 1.47 joules.if the maximum height of the bob is 0.45 meters when it swings back,1.323 joules of energy was transformed to thermal energy.hope this
B. the book pushes on the table