A pinhole camera is made from an 85cm -long box with a
A pinhole camera is made from an 85cm -long box with a small hole in one end. If the hole is 5.4m from a 1.7m -tall person, how tall will the image of the person on the film be?
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write down as explicitly as you can the time-independent non-relativistic schroumldinger equation for the following
a diver running 27ms dives out horizontally from the edge of a vertical cliff and 30s later reaches the water below1
a heavy rainstorm dumps 10 cm of rain on a city 4 km wide and 10 km long in a 2-h period a how many metric tons 1
a heat engine using 1 mole of an ideal gas follows the carnot cycle abcd where the transitions area a----b which is an
a pinhole camera is made from an 85cm -long box with a small hole in one end if the hole is 54m from a 17m -tall person
two 220cm times 220cm plates that form a parallel-plate capacitor are charged toplusmn 0708 ncwhat is the electric
let c 320 m 38 degree above the negative x-axis and d 274 49 degree to the right of the negative y-axis1 discover the
a block is at rest on a plank whose angle can be varied the angle is gradually increased from 0 deg at 313deg the block
a star ship approaches its home planet at a speed of 01c when it is 54times107km away it uses its green laser beam
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