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A single slit has a width of 1.8 x 10^-6 m and is used to form a diffraction pattern. Find the angle that locates the 2nd dark fringe when the wavelength of the light is
a) 428 nm and
b) 677 nm.
Two different simple harmonic oscillators have the same natural frequency (f=7.10 Hz) when they are on the surface of the Earth. Calculate the new frequency of the pendulum
Describe the three main layers of the Sun's interior and what do astronomers mean by a "model of the Sun" - Briefly describe how you would determine the absolute magnitude of a nearby star.
What is the lift (in newtons) by reason of Bernoulli's principle on a wing of area 77 m^2 if the air passes over the top and bottom surfaces at speeds of 270 m/s and 140 m/s, correspondingly.
he boat continues for an additional 5.90 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.05 s. What is the velocity of the boat at t = 21.35 s? Find out the total displacement of the boat?
The blades in a blender rotate at a rate of 6900rpm. What is the angular acceleration as the blades slow down
if turns ratio of primary to secondary coil of transformer is 1:3 and voltage on primary coil is 10 volts. what is voltage of seconday coil
Two tugs A and B pull a ship along a direction XO. Tug A exerts a force of 30kN at an angle of 15 degrees to XO, Find the angle X for the resultant force on the boat to be along XO
A high diver of mass 50.0 kg jumps off a board 10.0 m above the water. what average force did the water exert on her
The cylinder of a bicycle pump has an interior diameter of 2.0 cm and a length of 40 cm. How far down (in cm) must you push the piston before air begins flowing into the tire
A rail car that weighs 28 N is accelerated at 3.6 m/s/s for 2.2 seconds. How much work is done on the rail car
A cylindrical glass of water (H2O) has a radius of 4.38 cm and a height of 12.3 cm. The density of water is 1.00 g/cm3. How many moles of water molecules are contained in the glass
A fisherman is fishing from a bridge and is using a "30.0-N test line." In other words, the line will sustain a maximum force of 30.0 N without breaking. What is the weight of the heaviest fish that can be pulled up vertically.
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