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two thin lenses with a focal length of magnitude 195cm the first diverging and the second converging are located 146cm
every measurement has a measurement uncertainty discuss how precise and accurate measurement can be achieved in spite
when a water gun is fired while being held horizontally at a height of 100 m above ground level the water travels a
a boy kicks a football with an initial velocity of 280 ms at an angle of 3000 above the horizontal what is the highest
write the formula for the name or name for the formula of each acid below type your answer using the format copperii
two spacecraft carrying identical pendulum gravity meters have landed on mars one at the equator and one at the north
the flowmeter shown in the figure measures the flow rate of water in a solar collector system the flowmeter is inserted
write an empirical formula for each of the following type your answer using the format co2 for co2a ethylene glycol car
give the systematic names for the formulas or the formulas for the names type your answer using the format copperii
a laser emits a monochromatic beam of wavelength lambda which is reflected normally from a plane mirror receding at a
what monatomic ions do iodine z 53 and aluminum z 13 form type your answer using the format cu for cu and cu2 for
you irradiate some tumor cells with x rays in a pure nitrogen atmosphere and you find that 10 of the cells survive a
a heat engine operating between energy reserviors of 11994 oc and 46275oc has 3502 of the maximum possible efficiency
662 kev photons are emitted as a result of the deay of 137cs the photon undergo compton scatteringi what is the minimum
the solid is not completely submerged in te water will this technique error ingrease decrease or have no effect on the
the first-order principal maximum produced by a grating is located at an angle of 173 degrees what is the angle for
calculate the smallest possible volume of a 1 f capacitor using dielectric teflon 21k and a plate thickness of 001 mm
a 016 kg block oscillates back and forth along a straight line on a frictionless horizontal surface its displacement
if everyone in the world population 7 x 109 wanted to heat up the water for a 20oz cup of coffee from 20deg c to 95deg
in the figure above the mass to the spring is 02 kg the springs constant is 60 nm the mass is stretched to a position
when 450 grams of a certain metal at 70 degrees celsius is added to 240 grams of water at 100 degrees celsius in an
a hot air balloon is ascending straight up at a constant speed of 690 ms when the balloon is 130 m above the ground a
you are given solutions of hcl and naoh and must determine their concentrations you use 268 ml of naoh to titrate 100
a block of mass 71 kg is pulled along a horizontal frictionless floor by a cord that exerts a force of 410 n at an
an iron bar of mass 037 kg slides down a frictionless incline 067 m high at the bottom of the incline it collides and