Person rolls along a city street
A 1270 kg person rolls along a city street at 25.0 miles per hour, and a grapefruit has a mass of 0.142 kg. What speed must the grapefruit have if its momentum is to be equal in magnitude to that of that person? Give your result in miles per hour.
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A scientist claims to have developed a new method of isolating individual particles, which will enable him to detect their radial position to within 0.20 nm and their radial momentum to within 10 eV/c, simultaneously. Discuss the possibility of hi
The diameters of oranges in certain orchard are normally distributed with a mean of 5.25 inches. and a standard deviation of 0.50 inches. Show all work.
If the motor effieciency is 90%, and the brake efficiency is 75%, what is the power input required to the motor? Look up the water parameters required.
(A) What is the electric force exerted on an electron when it is 3.0 * 10^-15 meters from the center of the nucleus? (B) What is the acceleration of the electron at this point?
Does this flow satisfy continuity? If it does, then find the velocity components. Determine the potential function. Sketch some stream lines and potential lines.
A 1.94 kg solid sphere (radius = 0.105 m) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.710 m high and 5.17 m long. When the sphere reaches the bottom of the ramp, what is its total kinetic energy?
A radioactive decay series that begins with 232-Th ends with formation of 208-Pb, how many alpha -particle emissions and how many beta-particle emissions are involved in this radio activedecays?
Calculate the energy for vacancy formation in silver, given that the equilibrium number of vacancies at 800?C (1073 K) is 3.6 X 1023 m-3.
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