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A laser with a wavelength of 650 nm passes through a double slit. A pattern is observed on a wall that is 1.5 meters away from the slits. The spacing between 10 bright fringes is measured to be 3 cm. What is the separation between the slits? Show your work. I assume the formula to use is : but not sure of the correct units to use.
A 10-m-by-14-m house is built on a 12 centimeter thick slab of concrete. Find the rate of heat loss through the slab
Emilie wishes to fly to Phun City, a place where Physics Geeksrule the land, loacted 800 km [N] of her present postion. what will her flight time to Phun City be
a simple pendulum is made up of a 400-g mass attached to a 1.3-m string. it is pulled to right a distance of 10 cm and then released from rest at t=0. what is the maximum speed of the pendulum bob
A cylinder with a moveable piston contains 178 mL of nitrogen gas at a pressure of 1.22 atm and the temperature of 298 K. What should the final volume be for the pressure of the gas to be 1.52 atm at a temperature of 335 K.
On a cold day, 16000 J of heat leaks out of a house. The inside temperature is 20.0° C, and the outside temperature is -18° C. What is the increase in the entropy of the universe that this heat loss produces?
In a certain region, the earth's magnetic field has a magnitude of 4.8 x 10-5 T and is directed north at an angle of 66° below the horizontal. Determine the bullet's electric charge
A droplet of ink in an industrial ink-jet printer carries a charge of 1.6 x 10-11 coulombs and is deflected onto paper by a force of 3.2 x 10-4 Newton's. Find the strength of the electric field to produce this force.
a flutist assembles her flute in a room where the speed of sound is 340 ms. when she plays the note a it is in perfect
a piston with mass m 2.0 kg in a car engine is in vertical simple harmonic motion with amplitude a 5.0 cm. if the
The asteroid Davida orbits the Sun like the other planets. Its period is about 2060 days. What is its mean distance from the Sun
a patient has a far point of 39.5 cm and a near point of 21.4 cm.a. what power in diopters should be prescribed to
A boat, lost in the fog, moves towards an unseen cost line at 10 meter per second. find the frequency of the sound that is heard on boat
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