An object 25 cm from a convex mirror is observed to produce
An object 25 cm from a convex mirror is observed to produce an image 13.6 cm behind the mirror. What is the focal length of the mirror?
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at standard pressure what would the temperature of water molecules be if they had a root mean square rms of velocity of
two students on roller skates stand face-to-face then push each other away one student has a mass of 99 kg and the
a pendulum of length 353 m with a bob of mass 550 kg is pulled aside until the bob makes an angle of 350deg with the
a bowling ball m 72 kg r 011 m and a billiard ball m 038 kg r 0028 m may each be treated as uniform spheres whatis
an object 25 cm from a convex mirror is observed to produce an image 136 cm behind the mirror what is the focal length
a blow-dryer and a vacuum cleaner each operate with a voltage of120 v the current rating of the blow-dryer is 12 a and
two parallel mirrors are a distance d apart an object is placed 10 inch in front of the right-hand mirror after 5
a model rocket fired vertically from the ground ascends with avertical acceleration of 36 ms2 for 50 s its fuel is then
a positive lens of focal length 40 cm is placed 20 cm behind a negative lens of focal length -80 cm an object is placed
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