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A Young's interference experiment is per- formed with blue-green argon laser light. The separation between the slits is 0.434 mm, and the interference pattern on a screen 3.58 m away shows the first maximum 3.19 mm from the center of the pattern. What is the wavelength of argon laser light? Answer in units of nm.
A spherical blackbody radiator has a temperature of 159°C. Its radius is 0.253 m. what is the net rate of energy radiated from the sphere?
Suppose a car is traveling at 13.0 m/s, and the driver sees a traffic light turn red. After 0.570 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 9.00 m/s2. What is the stopping distance of the car, as ..
Establish an average acceleration
A moth at about eye level is 5.9 cm in front of a plane mirror; you are behind the moth, 17.8 cm from the mirror. At what distance must you focus your eyes to see the image of the moth in the mirror, that is, what is the distance between your eyes..
A 4.98-kg pendulum bob, at a height of 0.720 m above the floor, is released and swings down to the ground, Find how high up the incline the block will slide
A pendulum of length 1.5 m is held out to point A. At the vertical position, an overhang effectively cuts the length of the pendulum by an amount equal to 1.09 m. (That is, 1.0 m is no longer free to swing.) How long does this pendulum take for one o..
A car is doing a loop-the-loop trick, the loop has a radius of.4 m. What is the minimum initial speed the car must have in order to remain in contact with the circular track at all times
Two boats are heading away from shore. Boat 1 heads due north at a speed of 2.94 m/s relative to the shore. find the speed of the passenger relative to the shore
Two charged plates create a potential difference of 190 V. At a point halfway between the plates an electron is released from rest. What was the initial speed and direction of the proton
a skydriver weighs 131 lb. when the skydriver reahces terminal speed, how much air drag does the skydriver is experience
What is the frequency of up and down oscillations of the wheel? Regard wheel as a mass on one end of a spring and regard the body of the car as a fixed support for the other end of the spring.
A vehicle with wheels whose diameter is 36 inches is traveling at a rate of 30 feet per second. Determine the number of rotations a wheel makes in 1 minute
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