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A 40 cm telescope has a focal ratio of f/10.a) What is the light-gathering power of this telescoperelative to that of a single human eye? Use a pupil diameter of 7 mm.b) What is the diffraction-limited angular resolution (inarc-seconds) of this telescope for a wavelength of 480 nm?c) What would be the focal length (in mm) of the eyepiecenecessary to achieve a magnification of 200 with this telescope?
A centrifuge in a medical laboratory rotates at an angular speed of 3400 rev/min. Find the constant angular acceleration of the centrifuge
An electric field given by = 7.4· - 4.4(y2 4.7)· pierces a Gaussian cube of edge length 4.0 m, What net charge (in Coulombs) is enclosed by the Gaussian cube
An object is 1.6 m to the left of a lens of focal length 0.92 m. A second lens of focal length -3.7 m is 0.62 m to the right of the first lens. Find the distance between the object and the final image formed by the second lens
question1a current of 1a is injected into the earth at the bottom of a borehole. derive an expression for the voltage
A ball is thrown straight up from a height of 1.56m above the ground and reaches a maximum height of 8.35m before falling to the ground. What the calls total time in the air
What is the direction of this velocity. What is the magnitude of the velocity.
You send a beam of light from a material with index of refraction 1.19 into an unkown material. What is the index of refraction of the unknown material
It is said that Galileo discovered a basic principle of the pendulum - that the period is independent of the amplitude - by using his pulse to time the period of swinging lamps in the cathedral, How long is the lamp chain
A 24kg projectile is moving at 240m/s in the positive direction of the x axis when it explodes and divides into two fragments, What is the direction and speed of the other piece
A diver springs upward with an initial speed of 1.7 m/s from a 3.0-mboard. What is the highest point he reaches above the water?
Ball 1, with a mass of 150g and traveling at 10.0m/s , collides head on with ball 2, which has a mass of 300g and is initially at rest. What are the final velocities of each ball if the collision is perfectly elastic? What are the final velocities of..
The total current delivered to a number of devices connected in parallel is the sum of the individual currents in each device. Obtain the total current delivered by the source
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