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An air bubble has a volume of 1.30 cm3 when it is released by a submarine 100 meter below the surface of a lake. Determine the volume of bubble when it reaches the surface? Suppose the temperature and the number of air molecules in the bubble remains constant during its ascent.
cm3
an electron initially traveling in the x-direction with a speed of 4 x 105 ms enters a uniform electric field directed
a cosmic ray travels 60 km through the earths atmosphere in 390 ?s as measured by experimenters on the ground.how long
What is value of Earths magnetic field
For a particular collision you detect the emitted products and find 15 protons, 2 antiprotons, 6 positrons, and 25 neutral particles. How many electrons are also emitted?
A 50.5 g ice cube, initially at 0°C, is dropped into a Styrofoam cup containing 360 g of water, initially at 19.2°C. What is the final temperature of the water
A juniper-wood plank measuring 0.17 feet by 1 feet by 12 feet is totally submerged in water. Calculate the buoyant force acting on it
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 13.0 cm, giving it a charge of -17.0 microC. Find the electric field just inside the paint layer
The resistance of each brake light on an automobile is 6.6 ohms. compute the current flow in each bulb
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 12.9 m/s. How high does the ball rise
The tub of a washer goes into its spin cycle, starting from rest and gaining an angular speed of 5.00 rev/s smoothly in 10.0 s. At this point the person doing the laundry opens the lid, and a safety switch turns off the washer. The tub slows smoothly..
A bowling ball encounters a 0.760 meter vertical rise on the way back to the ball rack, Evaluate the translational speed at the top
A 120-V motor has mechanical power output of 3.20 hp. It is 91.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
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