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In a Young's experiment using sodium light, lamda=589 nm, the slits are 1.2x10^-6 m wide. You notice that every fourth fringe is missing. What is the slit separation? how many fringes appear on the screen?
The velocity of the car at the end of the fifteen-second period is +20.6 m/s. The ratio of the average acceleration values is a1/a2 = 1.50. Find out the velocity of the car at the end of the initial ten-second interval.
A frictionless pulley has the shape of a uniform solid disk of mass 4.00 kg and radius 28.0cm. A 3.60 kg stone is attached to a very light wire that is wrapped around the rim of the pulley, and the stone is released from rest. As it falls down, the w..
A cat is trying to jump onto a countertop that is 1m tall from 0.3m away. The cat's initial jump speed (magnitude of the total initial velocity) is 10m/s
A worker pushes horizontally on a large crate with a force of 304 N and the crate is moved 4.4 m. How much work was done.
Two batteries of emf and internal resistance e1,2 and r1,2 are connected in parallel. Find the effective emf and internal resistance
A gas is allowed to expand isothermally until it reaches its final volume and its pressure is 2.97 atm. Find the heat absorbed by the gas during this process
a substance has a density of p=200kg/m3. what is the mass of the box full of substance?
A bus makes a trip according to the position time graph shown in the drawing. Find the average velocity (magnitude & direction) of the bus during each of the segments labelled A, B, & C?
The coefficient of kinetic friction for wood sliding on wood is 0.20. Illustrate what is the speed of the bullet?
a car of 1200 kg travels east (call it +x) at 24 m/s while a truck of 2200kg travels north (call it +y) at 19 m/s . they collide and stick together. What is the momentum in the sysem
X rays with a wavelength of 0.24nm undergo first-order diffraction from a crystal at a 53%u2218 angle of incidence. At what angle does first-order diffraction occur
A monkey shows symptoms of being under the influence of too much physics. Specifically, What is the final angular speed of the monkey's head
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