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Question: Red light of wavelength 633 nm from a helium-neon laser passes through a slit 0.400 mm wide. The diffraction pattern is observed on a screen 3.45 m away. Define the width of a bright fringe as the distance between the minima on either side.1. What is the width of the central bright fringe?(in meters)
2. What is the width of the first bright fringe on either side of the central one? (in meters_)
Two horizontal curves on a bobsled run at the similar angle, but one has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smaller radius to curve is v. What is the safe speed on the larger radius curve.
What initial velocity must you give the second stone if they are both to reach the ground at the same instant? Take the downward direction to be the negative.
Light from an argon laser strikes a diffraction grating that has 5306 lines per centimeter. Determine the wavelength of the laser light
A sphere of mass 10.0 kg and radius 0.45 m is subject to an angular acceleration about its center of 2.00 rad/s2. What are the final respective rotational kinetic energies, assuming both the objects began at rest
A bullet of mass 8.80 x 10-3 kilogram, moving at 1250 m/s impacts a tree stump and penetrates 4.00 centimeter into the wood before coming to rest. If the similar force acted on the bullet and it had the equal impact speed but half the mass, calcul..
In the Challenger Deep of the Marianas Trench, the depth of seawater is 10.9 km and the pressure is 1.16 x 10^8Pa (about 1.15 x 10^3 atm). What is the density of seawater at this depth
Water flows in a vertical pipe of 0.15 m diameter at a rate of 0.25 m3/s , and has a pressure of 250 kPa at an elevation of 25 m. Determine the velocity head and pressure head at elevations of 20 m and 50 m.
A flywheel has zero thickness at the center and is h thick at the edge, and has a radius R, and has a total mass M. Calculate the energy stored if it rotates in time T
What is the acceleration of a rising hot-air balloon if the ratio of the air density outside the balloon to that inside is1.22? Neglect the mass of the balloon fabric and the basket.
lady ate a whole medium size pizza storing up 120 food Calories. This energy is used to heat up 2 liters of water from a certain initial temperature to a final temperature of 80 deg.C, what was the initial temperature of the water?
An 8.40 gram bullet has a speed of 1.13 km/s. Find the bullet kinetic energy if its speed is doubled
Suppose the coefficient of static friction between the road and the tires on a car is 0.60 and the car has no negative lift. What speed will put the car on the verge of sliding
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