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The position of a 30 g ball is measured to be 27.3 cm +/- .004 cm (that is: the position is 27.3 cm with an uncertainty of .004 cm) What is the uncertainty in the velocity of the ball?
In one such decay the electron and the neutrino are emitted at right angles to each other. The electron (mass 9.11x10^ -31 kg)has a speed of 3.8x10^ 7 m/s and the momentum of 7.6x10^ -24 kg m/s. What is the recoil speed of the nucleus?
what is the available energy content, in joules, of a battery that opperates a 2.00 w electric clock for 18 months
A string with a length of 3.0 m has two adjacent resonances at frequencies 112 Hz and 140 Hz. What is the wavelength of the first harmonic
What's the quickest way to approach this problem? A car is traveling at 80 km/h along the highway. A second car is located 1 km behind, but traveling at 100 km/h. How long does it take for the second car to pass the first?
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 3.2 MJ, What is the moment of inertia of the flywheel
Light from an argon laser strikes a diffraction grating that has 5365 grooves per centimeter. The central and first-order principal maxima are separated by 0.488 m on a wall 1.7 m from the grating. Determine the wavelength of the laser light. nm
What was the most interesting part of your visit and is there anything about what you observed that would cause you to want to settle a case or to pursue it fully to trial? What and why?
Ship moving initially at 10.7 m/s due North, drifts due NE at the same speed. To correct the bearing, the captain accelerates the engine and turns the rudder NW. If the engines deliver a constant acceleration of 4.4 m/s2, how long will it take to a..
A thin, square, conducting plate 45.0-cm on a side lies in the xy plane. A total charge of 0.0680 is placed on the plate. determine the charge density on the plate
A railroad car of mass 3.0x10^4 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, what is the speed of the three coupled cars after the collision
If a disk rotating at 10 rad/s has a moment of inertia of 0.5 kg m^2. Then another disk with a total mass of 5 kg, What is the angular speed of the new system in units of rad/s
spectroscopy is an important part of physics chemistry geology astronomy and many other sciences. explain what physical
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