Why is the rocker bottom shoe similar to walking on sand
Why is walking on soft sand so tiring? What is the basic physics behind walking on sand, compared with walking on concrete? Why is the rocker bottom shoe similar to walking on sand?
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A reference standard prepared by dissolving 5.4 mg of a transition metal coordination compound in 40 mL of water transmits 36.3 percent of incident light at 532 nm.
A solenoid that is 85.2 cm long has a radius of 1.67 cm and a winding of 1110 turns; it carries a current of 4.46 A. Calculate the magnitude of the magnetic field inside the solenoid.
What fraction of the pints of blood used do you expect were contaminated? Derive your answer both intuitively and using the algebra of probabilities.
First, assuming no heat transfer between the rock and air and no other losses, what is the initial velocity of the stone as it left the catapult in [m/s]?
A grocery store is sponsoring a sales promotion where the cashiers give away one of the letters: a, e, l, s, u, v for each purchase. if the customer collects all six, he or she gets $20 worth of groceries free. What is the expected number of trips
What is the pressure of the gas trapped in the closed end of the apparatus shown (the other end is open to the air) when the atmospheric pressure is 720 mmHg? The Hg level in the closed end is 12 mm higher than in the open end.
Using the Kelvin-Planck statement of the second law of thermodynamics, demonstrate the following corollaries: a. The coefficient of performance of an irreversible refrigeration cycle is always less.
You design a simple friction-brake to stop the cylinder by pressing the brake against the outer rim with a normal force. The coefficient of kinetic friction between the brake and rim is 0.344.
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