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a block of mass m1 300 kg and a block of mass m2 800 kg are connected by a massless string over a pulley in the shape
a tennis player swings her 1000 g racket with a speed of 900ms she hits a 60 g tennis ball that was approaching her at
you find an unlabeled box of fine needles and want to determine how thick they are a standard ruler wont do the job
a 300kg ball of clay traveling east at 250ms collides and sticks together with a 300kg ball of clay traveling north at
light of wavelength 5680 nm is incident on a narrow slit the diffraction pattern is viewed on a screen 625 cm from the
a 300 bird flying along at 60 ms sees a 70 g insect heading straight toward it with a speed of 25ms as measured by an
a box contains a mixture of small copper spheres and small lead spheres the total volume of both metals is measured by
using a 683-nm wavelength laser you form the diffraction pattern of a 0113-mm wide slit on a screen you measure on the
the figurefigure 1 shows the light intensity on a screen behind a double slit the slit spacing is 025 mm and the
you illuminate a slit of width 00583 mm with light of wavelength 711 nm and observe the resulting diffraction pattern
a spherical brass shell has an interior volume of 160 x 10-3 m3 within this interior volume is a solid steel ball that
why does the temperature 25 degrees celsius have three significant figures and the temperature of -196 degrees celsius
a uniform 17-kg rod that is 097 m long is suspended at rest from the ceiling by two springs one at each end both
you perform a double-slit experiment in order to measure the wavelength of the new laser that you received for your
if 10ml of 10-on naoh is added to 1l of the buffer prepared in a how much would the ph
initially 0900 mol of an ideal gas in a container occupies a volume of 340 l at a pressure of 380 atm with an internal
as an admirer of thomas young you perform a double-slit experiment in his honor you set your slits 119 mm apart and
a 0117 kg meterstick is supported at its 377 cm mark by a string attached to the ceil- ing a 0624 kg mass hangs
a wheel is disconnected from a motor and come to rest from 14000 rpm because of a 090 mmiddotn frictional torque1 if
648g of nah2po4 and 2196 g of k2hpo4 are dissolved in sufficent water to make a liter of solution caluclate the ph of
a ferris wheel with radius 97 m rotates at a constant rate completing one revolution every 378 s suppose the ferris
a thin rod consists of two parts joined together one-third of it is silver and two-thirds is gold the temperature
when a 196 kg wheel with an angular speed of 220 rads is disconnected from a motor a 0238 n middot m frictional torque
an industrial laser is used to burn a hole through a piece of metal the average intensity of the light is s 127 109