Physics, 28.01.2020 23:51 dianamunoz580
An astronaut notices that a pendulum which took 2.45 s for a complete cycle of swing when the rocket was waiting on the launch pad takes 1.25 s for the same cycle of swing during liftoff.
what is the acceleration (m/sĀ²) of the rocket? (hint: inside the rocket, it appears that g has increased.)
Answers: 1
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The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.
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If 0.05j work is done by stirring a cup of tea, if 150ml of tea is stirred 50 times and temperature rises to 67cĀ° what will be the increase in entropy? a)0.007j/k b)1.1j/k
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