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A double slit experiment has two different colors. The second-order bright fringe using 650nmred light is in the same place as the third-order bright fringe of the other color.
What is the wavelength?
What is the color?
A hotel elevator ascends 160m with a maximum speed of 4.20 m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2. How long does it take to make the complete trip from bottom to top.
A 55.6 kg child slides down a water slide with a velocity of 0.9 m/sec at the top. At the bottom of the slide, she is moving horizontally, y=1.5 meters above the water. She splashes into the water d=2 meters to the left of the bottom of the slide.
On a workday the average decibel level of a busy street is 80 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 45 every minute on a weekend, what is the decibel level of the street.
What fraction of the initial kinetic energy was transferred
In the physics lab a metal spring is stretched 10cm vertically downward by a 500 g mass attached to it. How much would the similar spring with the same attach mass stretn themon? The mass of the moon is 7.35 x 10 to the 22kg, gravity is 1.62 m/s a..
A mortar crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action.
The emissivity of tungsten is 0.350. A tungsten sphere with a radius of 1.19 is suspended within a large evacuated enclosure whose walls are at a temperature of 285.0 . What power input is needed to maintain the sphere at a temperature of 2500.0 i..
A 1200 kg car moving north at 27 m/s is struck by a 2165 kg car moving east at 11.0 m/s. The cars are stuck together. How fast and in what direction do they move at once after the collision.
Compute the average acceleration of car and lizard and the final velocity of a Ferrari.
We wish to maintain a pattern with a given number of loops and a fixed given frequency, If we reduce the density of the string
An ideal spring of negligible mass is 11 long when nothing is attached to it. When you hang a 3.20- weight from it, you measure its length to be 12.3.
Two people push a stalled car at its front doors, each applying a 260 N force at 25 degree to the forward direction. How much work does each person do pushing car 5.5 m.
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