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An air bubble has a volume of 1.75 cm3 when it is released by a submarine 120 meter below the surface of a lake. Evaluate the volume of the bubble when it reaches the surface? Suppose the temperature and the numbers of air molecules in the bubble remain constant during its ascent.
_______________cm3
question 1 a cart of mass 3.2 kg is moving with a velocity of 15.2 ms. it makes a head-on perfectly inelastic collision
a model rocket is shot straight up. shortly running out of fuel, the upward thrust on the rocket is 2 N, calculate the mass of the rocket
Water runs out of the horizontal drainpipe at the rate of 120 liters per minute. It falls 3.20 m to the ground. Assume the water doesn't splash up, what average force does it exert on the ground? (1 liter = 1 kg.)
the nonstick polymer teflon is made from tetrafluoroethylene c2f4. if c2f4 is a gas that dissolves in water at 298 k to
The planet Mercury takes only 88 Earth days to orbit the Sun. Assume the motion is uniform in a nearly circular orbit, with a radius of 5.79*10^10m. What is Mercury's tangential velocity
A 1.0 mCi source of Phosphorus called P-32, a beta emitter, is imlanted in a tumor where it is to administer 36 Gy. how long should the source remain implanted
The atomic mass of 5626Fe is 55.934939 u, How much kinetic energy will the products of the decay have
Light from a location on which you concentrate your attention fallson your fovea, which contains only cones. If you wish to observe aweak source of light, like a faint star, why should you not look directly at the source?
Hot water at 90 degrees C is poured into a large Styrofoam cup that contains water at 20 degrees C. calculate the ratio of cold water to hot that would give this result. Start with energy conservation: Q(H) + Q(C) = 0
a 55.9-kg skateboarder starts out with a speed of 1.83 ms. he does 98.3 j of work on himself by pushing with his feet
A 150 g block of ice at 0 C is dropped into 350 g of water at 25 C, compute the final equilibrium temperature
A circular armature coil is used in a motor with a uniform magnetic field of 1.80 T. The coil has a diameter 95 cm, how much current is flowing throught the motor
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