In which of these reactions is energy released?
A. Exothermic reactions
B. No reactions...
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Physics, 22.06.2019 14:00, meleaallison
Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s
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Physics, 23.06.2019 14:00, hannah2757
If 0.05j work is done by stirring a cup of tea, if 150ml of tea is stirred 50 times and temperature rises to 67c° what will be the increase in entropy? a)0.007j/k b)1.1j/k
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