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In the lungs there are tiny sacs of air, which are called alveoli. An oxygen molecule (mass = 5.30 x 10-26 kg) is trapped within a sac, and the ambiguity in its position is 0.130mm. What is the minimum uncertainty in the velocity of this oxygen molecule?
a - 310-6f capacitor and a - 510-6f capacitor are connected in series across a 500-v supply line. the charged
An astronaut weighs 275 lbs with equipment here on the surface of the earth. If he goes to a planet where the acceleration of gravity is 12.5 ft/s/s, What will be his mass be there
Two motorcycles are traveling in opposite directions at the same speed when one of the cyclists blasts his horn, what is the speed of the motorcycles
The electric field in a velocity selector is generated by twoparallel plates separated by 5.00 cm with a potentialdifference of 90.0 V. If the magnetic field is7.000e-2 T, at what speed will particles passthrough undeflected?
Nichrome wire of cross-sectional radius 0.782 mm is to be used in winding a heating coil, find the length of wire you must use to wind the coil
cA person pushes a 16-kg lawn mower at constand speed with a force F= 80N directed along the handle, which is at an angle of 45 degrees to the horizontal. Determine the magnitude of the friction force present between the wheels and the grass.
A cylindrical conductor has resistance of R0 = 200 ? (ohms). what's the value of the new resistance in ohms
A stiff, 15cm -long tube with an inner diameter of 2.5mm is attached to a small hole in the side of a tall beaker. What is the volume flow rate through the tube
A block of mass M=0.623kg is floating stationary in a beaker of water. What is the magnitude and direction of the buoyant force acting on the block
an astronaunt of mass 67.3 kg is on a space walk to repair a communications satellite. suddenly she needs to consult
In figure (a), a 4.2 kg dog stands on a 15 kg flatboat at distance D = 6.1 m from the shore. It walks 2.1 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find how far the dog is then from the shore.
a generator has a 150-turn square coil 4cm on a side.a find the peak emf in this coil when its rotating at 110hz in
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