Physics, 28.01.2020 09:31 elreemali03
The age of the universe is thought to be about 14 billion years. assuming two significant figures, write this is powers of ten in (a) years (b) seconds.
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Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600
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Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging
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How does the motion of an airplane compare to the motion of a rocket ?
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