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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?
You throw a ball straight up with an initial velocity of 18.0 m/s. It passes a tree branch on the way up at a height of 7.00 m. How much additional time will pass
Two Polaroids are aligned so that the light passing through them is a maximum. At what angle should one of them be placed so that the intensity is subsequently reduced by half?
Light of wavelength 400 nm is incident normally on a film of water 1.0 µm thick. The index of refraction of water is 1.33. What is the wavelength of the light in the water
A uniform thin rod of length 0.9 m and mass 2.6 kg can rotate in a horizontal plane about a vertical axis through its center. find the magnitude of the bullet's velocity just before the impact
A thin 1.7-m metal rod sustanins a longitudinal standing wave with vibration antinodes at each end of the rod. What is the frequency of the rod's vibration
A farsighted person can read printing as close as 25.0 cm when she wears contacts that have a focal length of 44.6 cm. What is the maximum angular magnification that the magnifying glass can provide for her
A 5.0 kg mass experiences a force of 40 N when placed a height of 5 km. What is the value of acceleration due to gravity at this point
A missile is fired from a launcher with an initial velocity of 250 m/s at a target located 500 m above the launcher, determine The possible firing angles required to hit the target
A ball swings in a vertical circle at the end of a rope 1.30 m long. When the ball is 37.3 ° past the lowest point on its way up, Sketch a vector diagram showing the components of its acceleration
A typical scuba tank has a volume V of 10 liters. When fully charged, it contains compressed air at a pressure of 200 bars, or 2.0 x 10^7 Pa. What is the uncompressed volume of the air
A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. He reports hearing two successive resonances at 50.5 Hz and 59.5 Hz. How deep is the well
Two hockey players strike a puck of mass 0.158 kg with their sticks simultaneously, exerting forces of 1.17 103 N, directed west, and 9.90 102 N, Find the instantaneous acceleration of the puck
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