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A double slit is opposite the center of a 1.6-m wide screen 2.4 m from the slits. The slit separation is 24 µm and the width of each slit is 7.2 µm. How many fringes are visible on the screen if the slit is illuminated by 602-nm light?
A pendulum of length 50cm is pulled 30 cm away from vertical axis and free from rest. What would be its speed at the bottom of its swing.
A container explodes and breaks into three fragments that fly off 120 degrees apart from each other, what is the speed of the other two fragments
A 10 μF capacitor is charged to 15 V. It is next connected in series with an uncharged 5.00-μF capacitor. The series combination is finally connected across a 50.0-V battery, as diagrammed. Find out the new potential differences across the 5-μF an..
A merry-go-round starts from rest and accelerates uniformly over 23.5 s to the final angular velocity of 6.55 rev/min.
A shotgun fires a large number of pellets upward, with some pellets traveling very nearly vertically and others as much as 1.0o from the vertical. suppose that the initial speed of the pellets is uniformly 150ms-1 and ignore air resistance.
A person of mass M lies on the floor doing leg raises. His leg is 0.85m long and pivots at the hip, How far does the entire body's center of mass rise
A man drags a 72.0 kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 26 degrees above the horizontal, and the strap is inclined 68 degrees above the horizontal. The center ..
White light containing wavelengths from 405 nm to 760 nm falls on a grating with 8000 lines/cm. How wide is the first-order spectrum on a screen 2.20m away.
The plates of a 2.5 E-9 F parallel plate capacitor are separated by 1.2 mm. What is the area of each plate
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 38.0 ° above the horizontal, By how much does the rocket clear the top of the wall
A person with a digital camera uses a lens of focal length 15.0mm to take a photograph of the image of a 1.40cm -tall seedling located 9.80cm behind a double-convex lens of 17.0cm focal length
A pump is required to lift a mass of 770 kg of water per minute from a well of depth 14.2 m and eject it with a speed of 17.5 m/s. How much kinetic energy does the pump give the ejected water
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