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Consider a tiny bead of mass 10-6 g on a short wire of length 10-6 m as equivalent to the quantum model of ‘particle in a box'. What is the bead's minimum kinetic energy and minimum speed?
The Big Bang theory states that the beginning of the universe was accompanied by a huge burst of photons. Calculate the peak wavelength of this radiation
A weightlifter stands up at constant speed from a squatting position while holding a heavy barbell across his shoulders, Draw a free-body diagram for the weight lifter
Calculate the angular momentum of the Earth about its own axis, due to its daily rotation. Assume that the Earth is a uniform sphere
A 57 gram tennis ball is served at 45 meters per second. If the ball started from rest what impulse was applied to the ball by the racket
A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed, What is the magnitude of the tension in the string when the ball is at the bottom of the circle
you notice that the image flips when you are 0.500 m from the mirror. Determine the radius of curvature for the mirror
The potential energy of two small particles in water is approximately: Write down a formula for the force between them
A 50.0 kg skier is at the top of a slope. At the initial point at the top is 25.0 m vertically above point at the bottom. find the change in Potential energy of the skier-Earth system as the skier goes from top to bottom
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.87 Ã- 10â€"14 J/m3
Tim and Rick both can run at speed and walk at speed, with. They set off together on a journey of distance. Rick walks half of the distance and runs the other half. Tim walks half of the time and runs the other half.
Compressed air can be pumped underground into huge caverns as a form of energy storage. The volume of a cavern is 4.9 Ã- 105 m3, how many homes could this internal energy serve
An alpha particle (m= 6.64E-27 kg) trapped in the nucleus of an atom can be modelled as a particle moving in a one-dimensional box of width 1.00E-14m. calculate The ground state momentum of the particle
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