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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?
On the TV show Top Gear's Africa special this season, the three hosts decided to build a raft out of wood, How think did the raft need to be
Two small metallic spheres, each of mass m = 0.212 g, are suspended as pendulums by light strings of length L as shown in the figure below. The spheres are given the same electric charge of 7.9 nC, and they come to equilibrium when each string is ..
In both the Rutherford theory and the Bohr theory, we neglected any wave properties of the particles. Estimate the de Broglie wavelength of an alpha particle and compare it with the size of the nucleus. Is the wave behavior expected to be important i..
A span of a bridge is 200.00m at 10.0c Its length increases to 200.25m when the temperature increases to 40.0c. what is the coefficient of thernmal expansion of the material
The second hand of a clock has a length of 0.30 m. Evaluate what distance does the tip of the second hand sweep through in 3 minutes and 45 seconds?
A light rod of length 1.8 m has two point masses of mass 2 kg attached at either end. If the spring constant is 3.7 Nm.rad-1, what is the period of the resulting motion
1. discuss how a grandfather clock a pendulum clock accurate at 20oc will run fast or slow on a hot day say
Consider an object on an incline where friction is present. The angle between the incline and the horizontal is ? and the coefficient of kinetic friction is ?k. Find an expression for the acceleration of this object
Light of wavelength 589 nm is incident on a single slit that is 0.720mm wide, and the resulting diffraction pattern is observed on a screen 2.00m away. What is the distance between the two dark fringes on either side of the central bright fringe
A force of 7 pounds is required to hold a spring stretched 0.5 feet beyond its natural length. How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.9 feet beyond its natural length.
A 3.9- cm-radius ball rolls down an inclined plane from rest at the top. How long is the plane
What is the coefficient of kinetic friction between the crate and the floor. what height will the stream of water strike.
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