Why is no work done when you hold a book in place over your head?
a a force is applied to the...
Physics, 29.06.2019 01:20 cvhufjbvbcxx9845
Why is no work done when you hold a book in place over your head?
a a force is applied to the book, but there is no movement.
b the book has motion, but no force is applied to it.
c a force is applied to the book, causing it to move.
Answers: 2
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Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?
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Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.
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The energy released by a nuclear fusion reaction is produced when
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