If the eye receives an average intensity greater than 1.0 * 102 W>m2, damage to the retina can occur. This quantity is called the damage threshold of the retina. (a) What is the largest average power (in mW) that a laser beam 1.5 mm in diameter can have and still be considered safe to view head-on
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Physics, 22.06.2019 04:00
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Physics, 22.06.2019 07:50
Calculate the ratio of h+ ions to ohโ ions at a ph = 6. find the concentration of h+ ions to ohโ ions listed in table b of your student guide. then divide the h+ concentration by the ohโ concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to ohโ ions at a ph = 6. are they the same? why or why not? record your explanation in table a. what is the concentration of h+ ions at a ph = 6? mol/l what is the concentration of ohโ ions at a ph = 6? mol/l what is the ratio of h+ ions to ohโ ions at a ph = 6? : 1
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Physics, 22.06.2019 12:30
Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?
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Aracecar driver has to hold on tightly when going around a banked curve. approximately what is the centripetal force on a 2220.0 kg car going around a circle with a diameter of 190.0 meters at 25.0 m/s?
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If the eye receives an average intensity greater than 1.0 * 102 W>m2, damage to the retina can oc...
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