Cylindrical segment of a blood vessel
Consider a cylindrical segment of a blood vessel 1.7 cm long and 2.4 mm in diameter. What additional outward force would such a vessel need to withstand in the person's feet compared to a similar vessel in her head?
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What is the acceleration of two falling sky divers (mass 108.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight?
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Is there anyone else to answer the question at least in part?
For the different values given for the radius of curvature and speed, rank the magnitude of the force of the roller-coaster track on the cart at the bottom of each dip.
A proton is initially at rest at a point where the potential is 504 V. Some time later the proton is at a point where the potential is 193 V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy?
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