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An electron is located on a pinpoint having a diameter of 1.90 µm. What is the minimum uncertainty in the speed of the electron?
_____m/s
During a particular process, the pressure of the gas in a heat engine increases from 1.15×105 Pa to 2.37×105 Pa, What is the work associated with the process
The image of a very distant car is located 18 cm behind a convex mirror. What is the radius of curvature of the mirror
A geostationary communications satellite orbits the earth directly above the equator at an altitude of 35,800 km. Calculate the time it takes for a signal to travel from a point on the equator to the satellite
on a hot day a house is kept cool by an air conditioner. The outside temperature is 32 degrees celsius and the inside temperature is 21 degree celsius. what is the mechanical power that it requires to hold the inside temperature constant
Cyclotrons are often used to bombard Oxygen-18 with a proton to create Fluorine-18. Estimate the final velocity of the proton
Juan and Pablo carry a load weighing 720 N on a pole between them. If the weight of the 120-N pole is considered, what force does each person support
The drawing shows two long, straight wires that are suspended from a ceiling. The mass per unit length of each wire is 0.047 kg/m. What is the current in each wire
A 10 \rm g bullet traveling at 440m/s strikes a 12kg , 1.2-\rm m-wide door at the edge opposite the hinge. The bullet embeds itself in the door, What is the angular velocity of the door just after impact
You have a ball on a wire that is twirled in a circular orbit with a radius of 3.7 m, What is the speed of the ball in orbit
An object is placed to the left of a convex lens and on the optical axis. calculate the magnification of the image formed by the lens
Two identical diverging lenses are separated by 18 cm. The focal length of each lens is -8.0 cm. Determine the final image distance relative to the lens on the right
An undamped 2.23-kg horizontal spring oscillator has a spring constant of 24.3 N/m. What is the oscillator\'s total mechanical energy as it passes through a position that is 0.785 of the amplitude away from the equilibrium position
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