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Using a 689-nm wavelength laser, you form the diffraction pattern of a 0.113-mm wide slit on a screen. You measure on the screen that the 14th dark fringe is 8.77 cm away from the center of the central maximum. How far is the screen located from the slit?
Air in a cylinder is compressed to one-tenth of its actual volume without change in temperature. Obtain what percentage of the molecules has escaped
1. A steel cable with total length 20m and mass 100kg is linked to two poles. The tension in the cable is 2,000 N, and the wind makes the cable vibrate by a frequency of 2 Hz. Compute the wavelength of the resulting wave on the cable.
Angular Projectile Motion: A 2-stage rocket is launched at an angle of 53.0° above the horizontal with an initial speed of 100 m/s. find the maximum altitude reached by the rocket
A converging lens of focal lenght 0.184 m forms a virtualimage of an object. What is the distancebetween the object and the lens
How far away can a human eye distinguish two car headlights 1.8 m apart? Consider only diffraction effects and assume an eye pupil diameter of 5.5 mm and a wavelength of 550 nm.
After a plant or animal dies the 14C content decreases with a half-life of 5730 years. what is the age (in years) of the ancient site
A field mouse trying to escape a hawk runs east for 6.0m , darts southeast for 3.8m , then drops 1.8m down a hole into its burrow
A 7.05-kg ball of clay is thrown downward from a height of 4.08m/s onto a spring with k=1600 N/m. Find the total work done on the clay during the spring's compression
Atmospheric pressure is about 1.0 x 105 Pa on average. Find the downward force of the air on a desktop with surface area 1.0 m2
Presume the rear view mirror on a car is convex with a radius of curvature of 21 m. How does your answer change when the motorcycle is 14 m behind the car? If a motorcycle is 49 m behind the car, what is the magnification of the motorcycle?
A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.9 kg and the sign has a mass of ms = 15.4 kg. The length of the beam is L = 2.57 m. The sign is attached at the very end of the beam, but the horizontal wire h..
A 253 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp and the log has an acceleration of 0.700 m/s2, Find the tension in the rope
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