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Light of wavelength 650nm falls on a slit that is 3.90x10-3mm wide.
Part A. How far the first bright diffraction fringe is from the strong central maximum if the screen is 12.5m away. Express your answer to three significant figures and include the appropriate units.
A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, Compute the time it takes for the car to come to rest
Use the following values for mass and charge: an electron has mass me = 9.11×10-31 kg and charge -e, What is the kinetic energy of the electron in units of eV
What is the total charge of all the electrons in 18 kg bar of molybdenum? (Molybdenum has 42 electrons per atom and an atomic mass of 96 u.) What is the net charge of the bar? What is the net charge of the bar if it managed to obtain rid of 7% of the..
Block M=70N and block m=35N are connected by a string as shown. If the pulley is massless and the surface is frictionless, the magnitude of the acceleration of the 35N block is block is:
A bar is used to lift a 100 kg block of concrete. The pivot is 1.00 m from the block. Find the mechanical advantage
A nurse applies a force of 4.30 Newton to the piston of a syringe. The piston has an area of 5.47 x 10-5 m2. Find the pressure increase in the fluid within the syringe
A photon of wavelength 0.1800 nm strikes a free electron that is initially at rest, What is the energy of the photon (in eV) after it has scattered from the electron
A current of 1.16 A in an inductor L results in a stored energy of 0.145 J. The current is then changed to 7.93 A in the opposite direction. Calculate the change in the stored energy
The potential energy of a particle moving in the x-y plane is U=a/(x^2+y^2)^1/2, where a is a constant. What is the force on the particle
What is the minimum thickness of an oil-slick coating of index of refraction 1.3 on water of index 1.5 which would reflect no red light of wavelength 650 nm? (b) What would be the colour of the light that is reflected off the oil?
A 4.79 crate is suspended from the end of a short vertical rope of negligible mass. An upward force is applied to the end of rope, and the height of the crate above its initial position is given by + (0.61) what is the magnitude of the force when ..
With a wooden ruler you measure the length of a rectangular piece of sheet metal to be 16mm. What is the area of the rectangle
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