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The uncertainty in a proton's position is 0.19nm. What is the kinetic energy of a proton whose momentum is equal to this uncertainty (delta p=p)?
K=_____meV
A roller coaster car rolls down a frictionless track, reaching speed v_0 at the bottom. by what factor must you increase the height of the track
A spinning object has a moment of inertia of 1.6 kg*m2. It is rotating at a rate of 1rad/s. If the moment of inertia increases to 3 kg*m2, what is the new rotational velocity
An 7.40-cm-diameter, 300g solid sphere is released from rest at the top of a 1.90-m-long, 20.0? incline. It rolls, without slipping, to the bottom. What fraction of its kinetic energy is rotational
A charged particle enters a uniform magnetic field and follows the circular path shown in the drawing. Determine the mass of the particle
A loudspeaker of mass 22.0 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.90 {rm m}.
Name the subtype of equilibrium (out of thermal, phase, mechanical and chemical equilibriums) that is at play in the following situations? A) Vapor floating over the surface of a lake on a cold winter morning. (4) B) Measuring the temperature of a..
Find the electric field at the top point of a right circular solid cone of charge Q, uniform density. The cone has a radius a and a height h.
A person pushes horizontally with a force of 210 N on a 53 kg crate to move it across a level floor. The coefficient of kinetic friction is 0.30. What is the magnitude of the frictional force
A block of mass 4.00 kg, initially at rest, is accelerated to a final speed of 3.80 m/s. Find the total work done on the block
What is the frequency of light that has the wavelength in water of 788 nm if the refractive index for this light is 1.33.
A nuclear power plant operates at 75% of its maximum (Carnot) efficiency between temperatures of 625 degree C, how much exhaust heat is discharged per hour
The minimum-wavelength X-ray produced by a certain X-ray tube is 0.283 nm. Find the minimum voltage applied to the tube
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