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A bright object and a viewing screen are separated by a distance of 82.5 cm. At what distance(s) from the object should a lens of focal length 15.0 cm be placed between the object and the screen in order to produce a crisp image on the screen? Express your answer using three significant figures. If there is more than one answer, enter your answers in ascending order separated by commas.
a 1.0-cm-tall object is 60 cm in front of a diverging lens that has a -30 cm focal length. calculate the image position
An object is 22 centimeter in front of a diverging lens that has a focal length of -13 centimeter. Find how far in front of the lens should the object be located
During normal operation, a computer's hard disk spins at 5400 rpm. what is the average angular acceleration of the hard disk
Two balls are on a frictionless horizontal tabletop. Ball X initially moves at 10 meters per second, which angle and at what velocity will ball y move
The distance of the lens in the human eye fromthe retina, on which the image is focused, is about 1.7 cm. what must be the focallength of the eye
A 2.16 N force is applied to the plunger of a hypodermic needle. If the diameter of the plunger is 1.19 cm and that of the needle 0.199 mm, by what force does the fluid leave the needle?
When a charged particle moves at an angle of 17° with respectto a magnetic field, it experiences a magnetic force of magnitudeF. At what angle (less than 90°) with respect to thisfield will this particle, moving at the same speed, experience amagneti..
An unstable particle at rest breaks up into two fragments of unequal mass. evaluate what is the speed of the heavier fragment
A person is making homemade ice cream. She exerts a force of magnitude 22 N on the free end of the crank handle on the ice-cream maker, what is the average power being expended
A supersonic airplane is flying horizontally at a speed of 2640 km/h. What is the centripetal acceleration of the airplane, How much time does the turn take
A spherical balloon containing nitrogen gas has a radius of 12.3 centimeter. determine the mass of nitrogen in the balloon
A grandfather's clock is calibrated at a temperature of 22°C. Assume that the pendulum is a thin brass rod of negligible mass with a heavy bob attached to the end. How much does it gain or lose in a 24 h period
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