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A particle known as a pion lives for a short time before breaking apart into other particles. Suppose a pion is moving at a speed of 0.993c, and an observer who is stationary in a laboratory measures the pion's lifetime to be 3.1 x 10-8 s.
(a) What is the lifetime according to a hypothetical person who is riding along with the pion?
(b) According to this hypothetical person, how far does the laboratory move before the pion breaks apart?
a man exerts a force of 60n straight up to lift a watermelon that weighs 2.5 kg. what is the acceleration of the
A bacterium (mass = 2 × 10-15 kg) in the blood is moving at 0.28 m/s. What is the de Broglie wavelegth of this bacterium
Light from an argon laser strikes a diffraction grating that has 5306 lines per centimeter. Determine the wavelength of the laser light
A container holds 2.9 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 8.1x10-3 kg bullet with a speed of 750 m/s
Styrofoam has a density of 300 kg/m^3 . What is the maximum mass that can hang without sinking from a 20.0cm -diameter Styrofoam sphere in water? Assume the volume of the mass is negligible compared to that of the sphere.
A laser produces a 5.10mW beam of light, consisting of photons with a wavelength of 637.8nm. How many photons are emitted by the laser each second
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A power station delivers 530 kW of power at 12,000 V to a factory through wires with total resistance 3.5. How much less power is wasted
The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. Because of these charges, What is the magnitude of the electric field in the membrane
How far away does the ball strike the ground?
Three point masses each of mass m are connected by two thin rods each of mass M and length L. The central mass is at an origin and the z-axis is directed out of the page.
Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 2.5 cm, and the radius of the nozzle is 0.46 cm. determine the absolute pressure of the water in the pipe
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