Physics, 07.09.2019 02:30 lovenot1977
An air bubble has a volume of 2.0 cm3 when it is released by a submarine 100 m below the surface of a freshwater lake. what is the volume of the bubble (in cm3) when it reaches the surface? assume that the temperature and the number of air molecules in the bubble remain constant during the ascent. (the density of water is 1,000 kg/m3.)
Answers: 1
Physics, 20.06.2019 18:04
The cement bag shown in the figure has a mass of 50 kg and the small pulley has a mass of 2 kg. if the cement bag is pulled upwards with an acceleration of 2 m/s^2, find the force f pulling the rope.
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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