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A tube has a length of 0.046 m and a cross-sectional area of 8.3 x 10-4 m2. The tube is filled with a solution of sucrose in water. The diffusion constant of sucrose in water is 5.0 x 10-10 m2/s. A difference in concentration of 3.9 x 10-3 kg/m3 is maintained between the ends of the tube. How much time is required for 6.5 x 10-13 kg of sucrose to be transported through the tube?
One of the inspectors in the quality control department has frequently used the Brinell and Rockwell hardness tests, for which equipment is available.
There is a curling disc of mass m =20dkg at rest on the ice.Another disc of the same kind collides head-on (b=0) into it at aspeed of v =20m/s. what is the speed of the two discs after the collision
if i drop a 0.2kg ball from a height of 2m onto the floor and it bounces back to a height of 1.6m. how much energy did
Suppose someone is running towards a siren which is at rest. The siren emits a frequency of 400 Hz. What will the person hear
The Earth is 1.5x10 11 m from the sun and has period of 365 days. Determine the magnitude of its centripetal acceleration.
A state trooper chases a speeder along a straight stretch of road;both vehicles move at 160 km/h. What is the Doppler shift in the frequency heard by the speeder
a 5.00 kg object is released from rest while fully submerged in a liquid. the liquid displaced by the submerged object
tarzan who weighs 820 n swings from a cliff at the end of a 15.6 m vine that hangs from a high tree limb and initially
an induced emf occurs in a conducting loop of wire 1.12m long as its shape is changed from a circle to an equilateral
While on a geologic expedition, you unearth a large, dark stone with an excellent print of a fossil embedded within the rock. Because of the dark color, your friend automatically assumes that it is an igneous rock. Explain why it is uncommon to fi..
An ice chest contains 12 cans of soda at 50o C. Each can of soda has a mass of 0.35 kilogram and a specific heat capacity of 3800 J/(kg Co). find the final temperature of the watermelon and soda
Describe the relationship between electron orbital energy levels and the energy of light that electrons emit for atoms in a gas.
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