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you have a telescope that has an objective lens with a diameter of 60.0 mm and has a focal length of 150.0cm.
a. what magnification would be gained if you used an eyepiece with a focal length of 12.5mm
b. what angular resolution in radians or degrees is achieved?(for a wavelength of 550nm)
A diver has a vertical velocity of -12 m/s when she is 1.8 m above the water. What was her peak height
Hakeem throws an 8.00 g ball straight down from a height of 2.0 m. The ball strikes the floor at a speed of 7.40 m/s. What was the initial speed of the ball? Assume that air resistance is negligible.
A spaceship is observed by a stationary observer to be moving at .6 c. How fast does the laser beam travel relative to the observer
What centripetal force does an 80-kg passenger experience when seated 12 m from the center of the Ferris wheel whose angular speed is 0.50 rad/s.
q1. george of the jungle with mass m swings on a light vine hanging from a stationary tree branch. a second vine of
A dentist uses a mirror to examine a tooth. The tooth is 1.01 cm in front of the mirror, and the image is formed 10.9 cm behind the mirror. Determine the mirror's radius of curvature
A proton starting from rest is accelerated in a cyclotron to a speed of 3.0•106 m/s. Find the work done on a proton by the electrical force of the cyclotron.
A 5.0 kg sled initially at rest on a level snow-covered road, Find the kinetic energy of the sled after it had been pulled for a distance of 6.0 m
An "energy bar" contains 18g of carbohydrates. If the energy bar was his only fuel, how far could a 68kg person walk at 5km/hr
A child goes down a water slide and splashes into the water. At the top, the child has a speed of 4 m/s. how fast would the child be moving when she hits the water
A hypodermic syringe is attached to a needle that has an internal radius of 0.303 mm and a length of 3.02 cm. What must the pressure of the fluid in the syringe be in order to inject the solution at a rate of 0.253 mL/s
The weight of a star is usually balanced by two forces: the gravitational force, acting inward, and the force created by nuclear reaction, acting outward. compute the radius of the geostationary orbit for this neutron star?
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