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A subatomic particle created in an experiment exist in a certain state for a time of 7.8E-20 seconds before decaying into other particles. Apply both the Heisenberg uncertainty principle and the equivalence of energy and mass to calculate the minimum uncertainty involved in measuring the mass of this short-lived particle.
For a coal gasification project being planned, 26,000 tons of coal per day is used to produce 250,000,000 cubic feet per day of natural gas. If the coal is rated at 8700 Btu/lb and the gas at 950 Btu/cubic ft, what will be the efficiency of this plan..
Two 4.9 cm× 4.9 cm metal plates are separated by a 0.19-mm-thick piece of Teflon. What is the maximum potential difference between the disks
A +5.0??C charge experiences a 0.53-N force in the positive y direction. If this charge is replaced with a ?2.7??C charge, Discover the magnitude of the force in this case.
He pulls on a rope that is fastened to the platform and runs over a pulley on the ceiling. Illustrate with what force does he have to pull in order to give himself and the platform an upward acceleration of 1.0 m/s^2?
A bottle of saline solution (with a specific gravity of 1.02) is attached to a 1.2 m long piece of tubing with a 1.0 cm inner diameter. If the tubing is held vertically, filled with saline, and clamped at the bottom, (a) what is the gauge pressure at..
a 100 kg wrecking ball savings on a 15.0 m long cable. if is swings from rest 4.0 m above the lowest piont, what is the tension in the cable at the lowest point
In a typical fender bender, a 1500 kilogram car traveling at 48 kilometer per hour collides in elastically with a 1200 kilogram car traveling at 32 kilometer per hour in the similar direction. Determine how much of the initial kinetic energy of th..
A disabled tanker leaks kerosene (n = 1.20) into the Persian Gulf, creating a large slick on top of the water (n = 1.30). If you are looking straight down from an airplane, while the Sun is overhead, at a region of the slick where its thickness is 43..
A small immersion heater is rated at 950 W. Estimate how long it will take to heat a cup of soup (assume this is 250 mL of water) from 17 degrees C to 77 degrees C.
An electron traveling at 86 m/s enters a 9.8 T magnetic field. The angle between the velocity and the field is 49o. Find the radius of the resulting circular path
A cart of mass 1.4 Kg is temporarily held stationary on an incline at 9.5 degrees to horizontal. How much work does gravity do on the cart
A wedge of mass M and angle α is resting on africtionless horizontal plane. A rectangular box of mass m is onthe wedge. determine the accelerations of the two bodies
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