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You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.2cm. You have a helium-neon laser (λ=633nm) and a 0.12-mm-diameter pinhole.
How far behind the pinhole should you place the viewing screen?
If a soccer ball that is stationary and has a mass of .45 kg is kicked by a player and leaves his foot at 23 m/s, what s the average force applied to the ball by the foot
A satellite of mass 300Kg is circuling around the Moon. ifsatellite's velocity is 150 miles per hour, determine the radius of the orbit
A tube with a cap on one end, but open at the other end, produces astanding wave whose fundamental frequency is 132.6 Hz. The speed of sound is 343 m/s. How long is the tube
all is thrown directly downward with an initial speed of 9.00 m/s, from a height of 29.8 m. After what time interval does it strike the ground
What is the rms current in an RC circuit if R= 5.20 K? , C= 1.50 uF, and the rms applied voltage is 120 V at 60.0 Hz
A particle moving along the x axis in simple harmonic motion starts from its equilibrium position, the origin, at t = 0 and moves to the right. The amplitude of its motion is 1.70 cm and the frequency is 1.30 Hz.
A high driver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting at rest. what average upward force did the water exert on her
an openclosed organ pipe resonates at its fundamental frequency fc. a second pipe with both ends open resonates at its
A dietary Calorie is actually a kilocalorie (note that by convention a capital 'C' is always used to indicate a dietary calorie and a lower case 'c' is used otherwise). Given that 1 cal = 4.186 J express the average daily dietary intake of a person..
An outside loudspeaker (considered a small source) emits sound waves with a power output of95W. Find the intensity level in decibels at that distance
Two small metal balls, carrying a charge +Q, are lying on an insulating surface a distance D apart. On either side of the two balls are small metal posts that are fixed to the surface. The distance between the posts and the balls is also D. The dimen..
a potters wheel moves uniformly from rest to an angular speed of 0.18 revs in 34 s.a find its angular acceleration in
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