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Question: A 0.39 cm high object is placed 8.7 cm in front of a diverging lens whose focal length is -7.5 cm. What is the height of the image?
If possible just a brief explanation how you got the answer?
A radioactive nuclide produces 2880 decays per minute at one time, and 1.52 hr later produces 738 decays per minute. What is the half-life of the nuclide
An electromagnetic plane wave at a certain location has an electric field pointed up which is given as a function of time as E = 54 V/m x sin (6x10^6 Hz x t). how much energy does the foil absorb
the two flat air ballons in the drawing are 3.2 meters and 61.0 meters above the ground. what is the horizontal distance x between the two balloons
a runner of the 100m dash aims to achieve a 10sec time. he accelerates to his final cruising speed in the first 10m. what is his final cruising speed
A 100-W driveway light bulb is on 10 hours per day. Assuming thepower company charges 10 cents for each kilowatt-hour of electricity used, estimate the annual cost to operate the bulb.
the distance between two telephone poles is 59.0 m. when a 1.00-kg bird lands on the telephone wire midway between the
At a playground, a 22 kilogram boy plays on a slide that drops through a height of 2.1 meter. Determine the boy speed at the bottom of the slide
For each part of the following, state any assumptions used and show mathmatical dereviation before using values. determine the rotential inertia of a yo-yo about it's center
Mercury is approximately a sphere of radius 2.43 x 106 m. What is its circumference in kilometers and What is its surface area in square kilometers
a childs water pistol shoots water through a 1.0 mm -diameter hole. if the pistol is fired horizontally 80 cm above the
An asteroid is discovered to have a tiny moon that orbits it in a circular path at a distance of 103 km and with a period of 47.0 h. The asteroid is roughly spherical (unusual for such a small body) with a radius of 24.9 km.
A simple harmonic oscillator takes 17 seconds to undergo 17 complete oscillations. What is the frequency of the oscillator
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