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A camera lens with a focal length of 50mm and aperture of f/1.4 is used to image a scene. The photographer focuses the camera at an object in the scene 4m from the camera. The resolution of the camera at the image plane is such that image points appear out of focus when circles of confusion exceed 0.02mm diameter. Determine the limits of the depth of field in the photograph, i.e. calculate the range of object distances which appear in focus?
A 7 kg bowling ball strikes a 2 kg pin. The pin flies forwardwith a velocity of 6 m/s the ball continues forward at 4 m/s. What was the original velocity of the ball
a particle of mass m moves in a parabolic potential energynbspvx frac12 momega02x2agriffiths intro to qm 2nd ed finds
a 30 ohm resistor has a voltage difference of 3 voltz across its leads. what is the power being dissipated in this resistor
a 2.40 v battery and a 1.50 v battery each with an internal resistance of 3.00 ohms are connected in parallel. that
A rocket blast off and moves strait upward from the launch pad with a constant acceleration. What are the magnitude and direction of the rockets acceleration
A person sees a distant lightning strike, then 4.5 seconds later he hears the thunder clap. If it is 35 degrees Celsius, how far away was the lightning strike
Find out the tension in the strap, given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.40.
Jupiter has a radius of 71,492km and a mass of 1.9x10^27kg. What is the acceleration due to gravity at Jupiter's surface
A charged belt, 50 cm wide, travels at 30 m/s between a sourceof charge and a sphere. The belt carries charge into the sphere ata rate corresponding to 100 μA. Compute the surface chargedensity on the belt.
When a tuning forkof frequency 500 Hz is held above a tube, resonances are foundwhen the water level is at distances 16.0, 50.5, 85.0, and 119.5 cmfrom the top of the tube. (a) Find the speed of sound in air.
A police radar has an effective range of 1.5km, while a motorist's radar detector has a range of 2.0km. The motorist is going 150km/h in a 50km/h when the radar detector beeps. At what rate must the motorist decelerate to avoid a speeding ticket?
Two converging lenses (f1 = 9.00 cm and f2 = 6.00 cm) are separated by 18.0 cm. The lens on the left has the longer focal length. Locate the final image relative to the lens on the right
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