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A 35 mm camera has an adjustable aperture (size of the opening over the lens). This aperture size is labeled as the "f-stop" which is equal to f/D (the focal length of the lens over the diameter of the aperture.) A typical lens has a focal length of 50 mm. Considering only green light of 500 nm, If the f-stop is set to 8, what is the smallest angle between two green objects that can be resolved considering only diffraction?
A net force that is quadratically increasing in time is applied to an object. What is time dependence of the object's kinetic energy
A ball rolls off a platform that is 6.8 meters above the ground. The ball's horizontal velocity as it leaves the platform is 7.4 m/s.How much time does it take for the ball to hit the ground
An electric field of 8.60 x 107 V/m is desired between two parallel plates, each of area 35.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate.
An iron tower in is 372 meters tall on a cold day (T = -7.1 degrees Celsius). What is its height of the tower on a hot day
A point charge 5.00 nC is at the center of a cube with sides of length 0.140 m. What is the electric flux through one of the six faces of the cube
A 75 kg skater, starts at 6m above the ground, potential energy =0 at 2m above the ground. Calcualte the percentage difference between the two speeds
A shell is fired at an angle of 30 to the horizontal with velocity of 196 m/s. Find the total time of flight, horintol range and maximum height attained
Consider an infinite arrangement of capacitors shown in the figure. C1= nF and C2 = nF. What is the equivalent capacitance Ceq
The atomic planes in a crysral are spaced d = 0.50 nm apart. These planes are used in a diffraction experiment with X-rays with ? = 0.05 nm. What are the diffraction angles for the first three bright fringes
A 4.5kg ball with a velocity of 4.0m/s in the+x-direction collides head-on elastically with a stationary 1.8kg ball. What is the speed of the first ball after the collision
a block of wood has specific gravity 0.79. When placed in water, what percent of the volume of the wood is under the surface. And what volume of the wood is above the surface
When you jog, most of the food energy you burn above your basal metabolic rate (BMR) ends up as internal energy, Determine the amount of water you lose to evaporation when running for 31 minutes at a rate that uses 400 kcal/h above your BMR
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