Aluminum foil used to storing food weighs about 005gcm2 how
Aluminum foil used to storing food weighs about 0.05g/cm2. How many atoms of aluminum are contained in one squared inch of the foil?
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a strong weightless rope has a mass m hanging from the middle of it as shown the tension force on each rope is 25 n
a mixture of iron and an unknown material is bombarded with electrons the wavelength of the rmkalpha lines are 194 rm
discuss in detail why it might be dangerous to microwave raw eggs with their shell intact using the concepts learnt
a 162 g bullet with an initial speed of 870 ms embedded itself in a 400 kg block which is attached to a horizontal
aluminum foil used to storing food weighs about 005gcm2 how many atoms of aluminum are contained in one squared inch of
air molecules in a warm room 27degc 300 k typically have speeds of about 500 ms 1100 mph why is it that we are
a persons body is covered with 18 m2 of wool clothing the thickness of the wool is 230 10-3 m the temperature at the
a 20 wood block is launched up a wooden ramp that is inclined at a 31 angle the blocks initial speed is 60 ms the
when a concave mirror is placed facing the sun the suns rays converge to a point 10cm from the mirror now an erect
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