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Tablecloth trick If you have courage and a tight grip, you can yank a tablecloth out from under the dishes on a table. What is the longest time in which the cloth can be pulled out so that a glass 6 in from the edge comes to rest before falling off the table? Assume that the coefficient of friction of the glass sliding on the tablecloth or sliding on the tabletop is 0.5. (For the trick to be effective the cloth should be pulled out so rapidly that the glass does not move appreciably
Water at a local bulk temperature of 24°C flows at 0.8 m/s through a smooth, 1.5-cm-ID tube that is kept at 30°C and the flow is fully developed. The system is extremely clean and quiet, and the flow stays laminar until a noisy air compressor is turn..
argon is compressed isothermally from 100c at 1 atm to 4 atm. calculate the final temperature and the specific work
a liquid is pumped at the flow rate q through a pipe of length l. the pressure drop of the fluid across the pipe is ?p
q1. 1.5 kg of oxygen n2 and 0.15 kg of helium he2 are separated by a partition in a vessel.nbsp the nitrogen is at 5
how to determine the equilibrium concentrations of h2 oh and h2o when water is heated to 1000 3000 5000k. what if the
A concrete pipe is used to help divert a stream to allow repairs to a dam as shown below. The pipe has a diameter of 15.0 feet and a finished surface. What is the discharge in the pipe?
Focused, Organized, and Ethical Communication: Describe the importance of ethical communication, particularly in EGR386W. What are some ways in which communication could be unethical, and why might this be concerning to engineers?
A plane can fly 305 mph in still air. If it can fly 185 miles downwind in the same amount of time it can fly 120 miles upwind, find the velocity of the wind.
a 10 cm long circular pin kfin20 wmtimesk of 12-mm dia removes 53watts of heat from a hot base when the average
a gas behaves such that the product of its pressure and volume is constant pvc. initially the pressure and volume of
problem 1 a 2.5 lbf block b is moving with a velocity vo of magnitude vo 6fts as it hits the 1.5 lbf sphere a which is
a fire hose has a length of 100 feet is 4 inches in diameter and has a roughness of 14inch. the fire hose leads into a
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