You have available lenses of focal lengths 20 cm 40 cm 80
You have available lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any 2 of these lenses to build a telescope, what is the maximum magnification you could achieve?
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a copper bowl of mass m1 contains a mass m2 of water both at temperature t which is below the boiling point of water a
the standards for product k17 call for 50 meters of a raw material that costs 1910 per meter last month 2700 meters of
an astronaut is in equilibrium when he is positioned 738 km from planet x and 472 km from planet y along the straight
tritium 31 h is a heavy isotope of hydrogen with an atomic mass of 3016049 u normal hydrogen has an atomic mass of
you have available lenses of focal lengths 20 cm 40 cm 80 cm and 160 cm if you were to use any 2 of these lenses to
an electric fan is turned off and its angular velocity decreases uniformly from 490revmin to 210revmin in a time
a high-speed flywheel in a motor is spinning at 500rpm when a power failure suddenly occurs the flywheel has mass 350kg
a 2 kg mass is attached to a spring of spring constant 20 nm at t 0 the spring is at its relaxed position and the
a typical cost for electric power is 120 cents per kilowatt-hoursuppose your refrigerator uses 500 w of power when its
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