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Two narrow slits are spaced .25 mm apart and are 60 cm from ascreen. what is the distance between the second and third bright lines of the interference pattern if the source is 546 nm of mercury?
A 0.464-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
The speed of an alpha particle is determined to be3.45×106 m/s. If all of its kinetic energy isacquired by passing through an electric potential, what is the magnitude of that potential?
Two boats are heading away from shore. Boat 1 heads due north at a speed of 3.77 m/s relative to the shore. What is the speed of the passenger relative to the shore
You're standing in waist-deep water with your eyes 0.44 m above the surface. A fish is swimming 0.55 m below the surface. How far (horizontally) from you is the fish
A sample of an unknown material weighs 300 N in air and 200 N when immersed in alcohol. The density of the alcohol is 70% the density of water. determine the volume of the unknown material
Which vector would return the hiker to the starting point? All angles are measured in a counter-clockwise direction from the positive x-axis.
A person swims east to west across a river that is 30 meters wide.The person swims westward (compared to the water) at constant speedof 3 m/s. The river flows south at a steady speed of 5 m/s. Notethatm even though the person is swimming west comp..
Suppose a certain laser can provide 76 TW of power in 1.1 nspulses at a wavelength of 0.38 μm. How much energy is contained in joules in a single pulse?
One of the 1000 kg car moves west at 40 m/s , while the second moves east from the same starting point at a constant velocity of 30 m/s. What is the momentum
Object at rest, height in 180 feet Consider the following free fall classical motion and answer these questions based on the information. What is the classification of this motion and why
A petite young woman distributes her 550{\rm N} weight equally over the heels of her high-heeled shoes. Each heel has an area of 0.650{\rm cm^2}. What pressure is exerted on the floor by each heel
A freezer is used to freeze 1.0 Lof water completely into ice. The water and the freezer remain at aconstant temperature of T = 0°C. Determine the change in the entropy of the freezer
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