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1. Estimate the uncertainty in the momentum of an electron whose location is uncertain by a distance of 2 Angstrom. What is the uncertainty in the momentum of a proton under the same conditions?
2. What can one conclude about the relative velocities and energies of the electron and proton in the last problem? Are wave phenomena apt to be more apparent for light particles than for heavy ones?
You've decided to protect your house by placing a 5.8-m -tall iron lightning rod next to the house. What minimum diameter must the rod have
At 28.0 m below the surface of the sea (density = 1 025 kg/m3), what is the volume of the bubble just before it breaks the surface
A molecule is represented by a charge -2q at the origin and charges +q at b1 and b2, where | b1 | = | b2 | = b, Find dipole moment of the molecule
A heat engine extracts 55 kj from the hot reservoir and exhaust 40 kj into the cold reservoir. What is the efficiency
The concrete wall of a building is 0.11 m thick. The temperature inside the building is 23.2°C, while the temperature outside is 0.0°C. Heat is conducted throughout the wall.
Consider a thin, spherical shell of radius 16 centimeter with a total charge of 32.8 µC distributed uniformly on its surface. Determine the electric field 10 cm from the center of the charge distribution
A gun shoots a 5.00 gramsbullet with a horizontal velocity of 1000m/s. the bullet strikes atree and penetrates to a depth of 10.0 meters. find the mechanicalenergy lost to friction in bringing the bullet to rest.
The human brain consumes about 22 W of power under normal conditions, though more power may be needed during exams. How long can one Snickers bar (280 Cal per bar) power the normally functioning brain?
In a single-slit diffraction experiment, a beam of monochromatic light of wavelength 630 nm is incident on a slit of width 0.400 mm. If the distance between the slit and the screen is 1.80 m, what are the positions of the first dark fringes?
A 0.80 meter Aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge. Find the magnitude of the horizontal component of the earth's magnetic field
a heat engine operating between 40 C and 380 C has an efficiency 60% of that of a Carnot engine operating between the same temperatures. at what rate does it exhaust heat
How much work must be done to move a 3.8 kg chair 6.1 m acrossthe floor at constant velocity if the coefficient of kineticfriction between the chair and the floor is 0.64
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