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A pair of narrow slits are .075 mm apart and are located 1.5 m from the screen. A laser beam shooting through the slits produces ab interference pattern whose 3rd-order bright fringe is 3.8 mm from the screen center. Find the wavelength of the beam.
Two free particles (that is, free to move) with charges +q and +4q are a distance L apart. A third charge is placed so that the entire system is in ?quilibrium. Find out the location, magnitude, and sign of the third charge.
You decide to move your desk so your back is not facing the door. As you begin to move your desk, What is the coefficient of friction between the desk and the floor
A 0.9 inch tall clock is 24 cm in front of a diverging lens which has a focal length of -33.5 cm. Paying attention to sign, answer the following questions. a. What is the image distance? cm b. What is the image's height?
Runner A is at first 6.60 km west of a flagpole and is running with a constant velocity of 6.4 km/h due east. Runner B is firstly 7.20 km east of the flagpole and is running with a constant velocity of 8.80 km/h due west.
Consider the following equations of motion. v = v0 + at ?x = v0t + (1/2) at^2 v2 = v02 + 2a?x (a) Can the equations above be used in a situation where the acceleration varies with time? (b) Can they be used when the acceleration is zero?
A system consisting of an ideal gas at the constant pressure of 120kPa gains 800J of heat a)Find the change in volume of the system if the internal energy of the gas increases by 480J b)Find the change in volume of the system if the internal energ..
An ideal gas expands at constant pressure of 5.0 atm. from 240 milliliters to 630 milliliters, Calculate the total work (in joules) done by the gas in the process
Hydrogenic atoms in an ultraviolet light fall from energy quantum state n = 9 to state n = 2 while releasing ultraviolet photons. How many photons are being released per second
At 500°C, the diffusion coefficient of Zn in brass is 4.10-17 m2.s-1. What is the flux of Zn moving down the rod.
How fast is the shadow of the plane moving along the ground? (That is, what is the magnitude of the horizontal component of the plane's velocity?)
Study of the fragment
During a golf drive, the angular velocity of the driver is 20 rad/s just before impact with the golf ball. If the distance from the club head to the axis of rotation is 2.0 m
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